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Multiplying Mixed Numbers Worksheets
Count on our printable multiplying mixed numbers worksheets for all the practice you need to perfect your skills in multiplying a mixed number with another mixed number, or multiplying three mixed numbers or completing the fraction multiplication equations. Without even realizing it, your grade 5, grade 6, and grade 7 learners will be well on their way to multiplying any number of mixed fractions with ease. It is well known that repeated exposure propels one to fluency, and these multiplying mixed numbers worksheets are sure to give you plenty of it. The process remains the same, but the difficulty level increases. Evaluation becomes easy with our answer keys. Our free multiplying mixed numbers worksheet is the first step to structured practice.
Multiplying Mixed Numbers by Mixed Numbers
Make lightning-fast progress with these multiplying mixed fractions worksheet pdfs. Change the mixed numbers to improper fractions, cross-cancel to reduce them to the lowest terms, multiply the numerators together and the denominators together and convert them to mixed numbers, if improper fractions.
- Download the set
Finding the Product of Three Mixed Numbers
Revisiting concepts often takes the hassle out and helps 5th grade, 6th grade, and 7th grade learners spring into action in finding the product of three mixed numbers. The addition of a third term doesn't deter them.
Completing the Fraction Multiplication Equation
Convert mixed fractions into improper fractions. Rearrange the equation, making the missing multiplier or multiplicand the subject, and flip the fraction when you put it on the other side of the equation and simplify it.
Related Worksheets
» Multiplying Fractions on Number Lines
» Multiplying Fractions by Whole Numbers
» Multiplying Fractions Word Problems
» Multiplying Fractions with Cross Cancelling
» Fraction Division
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Multiplying mixed numbers
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Fractions worksheets: Multiplying mixed numbers by mixed numbers
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Multiplying Mixed Fractions
("Mixed Fractions" are also called "Mixed Numbers")
To multiply Mixed Fractions :
- convert to Improper Fractions
- Multiply the Fractions
- convert the result back to Mixed Fractions
Example: What is 1 3 8 × 3 ?
Think of Pizzas.
First, convert the mixed fraction (1 3 8 ) to an improper fraction ( 11 8 ):
Now multiply that by 3:
And, lastly, convert to a mixed fraction (only because the original fraction was in that form):
And this is what it looks like in one line:
1 3 8 × 3 = 11 8 × 3 1 = 33 8 = 4 1 8
Another Example: What is 1 1 2 × 2 1 5 ?
Do the steps from above:
Step, by step it is:
Convert Mixed to Improper Fractions:
1 1 2 = 2 2 + 1 2 = 3 2
2 1 5 = 10 5 + 1 5 = 11 5
Multiply the fractions (multiply the top numbers, multiply bottom numbers):
3 2 × 11 5 = 3 × 11 2 × 5 = 33 10
Convert to a mixed number
33 10 = 3 3 10
If you are clever you can do it all in one line like this:
1 1 2 × 2 1 5 = 3 2 × 11 5 = 33 10 = 3 3 10
One More Example: What is 3 1 4 × 3 1 3 ?
3 1 4 = 13 4
3 1 3 = 10 3
13 4 × 10 3 = 130 12
Convert to a mixed number:
130 12 = 10 10 12
And simplify :
10 10 12 = 10 5 6
Here it is in one line:
3 1 4 × 3 1 3 = 13 4 × 10 3 = 130 12 = 10 10 12 = 10 5 6
This One Has Negatives: What is −1 5 9 × −2 1 7 ?
1 5 9 = 9 9 + 5 9 = 14 9 2 1 7 = 14 7 + 1 7 = 15 7
Then multiply the Improper Fractions (note that negative times negative gives positive ) :
−14 9 × −15 7 = −14 × −15 9 × 7 = 210 63
We can simplify now. Here we use two steps, first by 7 (21 and 63 are both multiples of 7), then again by 3. But it could be done in one step by dividing by 21:
210 63 = 30 9 = 10 3
Finally convert to a Mixed Fraction (because that was the style of the question):
10 3 = (9+1) 3 = 9 3 + 1 3 = 3 1 3
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How to Multiply Mixed Numbers
Last Updated: May 11, 2023 Fact Checked
This article was co-authored by Mario Banuelos, PhD . Mario Banuelos is an Assistant Professor of Mathematics at California State University, Fresno. With over eight years of teaching experience, Mario specializes in mathematical biology, optimization, statistical models for genome evolution, and data science. Mario holds a BA in Mathematics from California State University, Fresno, and a Ph.D. in Applied Mathematics from the University of California, Merced. Mario has taught at both the high school and collegiate levels. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 467,429 times.
A mixed number is a whole number next to a fraction, such as 3 ½. Multiplying two mixed numbers can be tricky, because you have to convert them to improper fractions first. If you want to know how to multiply mixed numbers, you can learn how to do it just by following a few easy steps.
Practice Problems
- Multiply the whole number by the denominator of the fraction . [2] X Research source If you are converting the number 4 1 / 2 to an improper fraction, you would first multiply the whole number 4 by the denominator of the fraction which is 2. So, 4 x 2 = 8
- Add this number to the numerator of the fraction. So adding 8 to the numerator 1, we get 8 + 1 = 9.
- Place this new number over the original denominator of the fraction. [3] X Research source The new number is 9, so you can place it over 2, the original denominator. The mixed number 4 1 / 2 converts to the improper fraction 9 / 2 .
- Multiply the whole number by the denominator of the fraction . If you are converting the number 6 2 / 5 to an improper fraction, you would first multiply the whole number 6 by the denominator of the fraction which is 5. So, 6 x 5 = 30
- Add this number to the numerator of the fraction. So adding 30 to the numerator 2, we get 30 + 2 = 32.
- Place this new number over the original denominator of the fraction. The new number is 32, so you can place it over 5, the original denominator. The mixed number 6 2 / 5 converts to the improper fraction 32 / 5 .
- To multiply 9 / 2 and 32 / 5 , you should multiply the numerators, 9 and 32. So 9 x 32 = 288.
- Next, multiply the denominators, 2 and 5, to get 10.
- Place the new numerator over the new denominator to get 288 / 10 .
- 2 is the greatest common factor of both 288 and 10. Divide 288 by 2 to get 144, and divide 10 by 2 to get 5. 288 / 10 is reduced to 144 / 5 .
- First, divide the top number by the bottom number. Do long division to divide 5 into 144. 5 goes 28 times into 144. This means that the quotient is 28. The remainder, or the number that is left over, is 4.
- Make your quotient the new whole number. Take your remainder and place it over the original denominator to finish converting the improper fraction into a mixed number. The quotient is 28, the remainder is 4, and the original denominator was 5, so 144 / 5 expressed as a mixed fraction is 28 4 / 5 .
- ↑ https://www.cuemath.com/numbers/improper-fractions/
- ↑ https://www.mathsisfun.com/improper-fractions.html
- ↑ https://www.calculatorsoup.com/calculators/math/mixed-number-to-improper-fraction.php
- ↑ https://www.cuemath.com/numbers/multiplying-fractions/
- ↑ https://www.mathsisfun.com/greatest-common-factor.html
- ↑ https://www.cuemath.com/numbers/improper-fraction-to-mixed-number/
Community Q&A
- When multiplying mixed numbers, do not multiply the whole numbers together and then multiply the fractions together. This will lead you to get the wrong answer. Thanks Helpful 1 Not Helpful 0
- When you're cross-multiplying mixed numbers, you can multiply the numerator of the first number with the denominator of the second, and the denominator of the first number with the numerator of the second. Thanks Helpful 0 Not Helpful 1
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About This Article
To multiply mixed numbers, start by converting each mixed number to an improper fraction. Then, multiply the improper fractions together. Reduce your answer to the lowest terms using the greatest common factor. Finally, convert your answer back to a mixed number. To learn how to find the greatest common factor to reduce your fraction, keep reading the article! Did this summary help you? Yes No
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Multiplying Mixed Numbers Mastery - Lesson Plan
Join us on a mathematical journey as we explore the world of multiplying mixed numbers. this interactive lesson will guide students through different tasks, including multiplying mixed numbers by whole numbers and fractions. students will also learn how to convert between mixed numbers and improper fractions. with engaging activities and opportunities for practice, students will gain a solid understanding of this important math concept..
Know more about Multiplying Mixed Numbers Mastery - Lesson Plan
This lesson covers key terms such as mixed number, improper fraction, whole number, thirds, fourths, one and one-third, etc.
This lesson emphasizes strategies for converting mixed numbers into improper fractions and vice versa. It also encourages students to see the relationship between factors and the final product in relation to the whole number part and the fractional part.
Students can expect a warm-up activity to recall fraction of a fraction concepts, followed by tasks that involve multiplying mixed numbers by whole numbers, fractions, and other mixed numbers. The class also includes opportunities for reflection and assessment.
Your one stop solution for all grade learning needs.
Multiplying Mixed Numbers — Rules & Problems - Expii
Multiplying mixed numbers — rules & problems, explanations (4).
Multiplying Mixed Numbers
Just like any other real numbers , we can multiply two mixed numbers together. The procedure is quite different from adding or subtracting them.
The steps for mixed number multiplication are as follows:
- Convert the mixed numbers to improper fractions
- Multiply the fractions
- Convert back to a mixed number
Image by Caroline Kulczycky
Let's do one more example.
What is 1912⋅2513?
Related Lessons
Convert them to improper fractions.
To multiply mixed numbers, we need a few steps. The most important thing to remember is that we cannot multiply these numbers as written. The first step is to convert the mixed numbers to improper fractions .
Then we can multiply the fractions together. Finally, we want our final answer as a mixed number. This is because the original problem was written with mixed numbers. So, we convert the result back to a mixed number .
So, let's try it together! We're going to multiply 512 by 267.
Step 1: Convert each term into an improper fraction.
What is 512 as an improper fraction?
(Video) How to Multiply Mixed Numbers
Mahalo has a good video on mixed number multiplication.
The process for mixed number multiplication is as follows:
- Convert the mixed numbers into improper fractions.
- Multiply the fractions.
- Convert back to a mixed number.
The example she looks at is 135×312.
Start by converting. 135=85312=72
Now, multiply. 85×72=45×71=285
We crossed out the 8 and 2 because there was a common factor of 2 to cancel out .
Finally, convert back. 285=535
If you like things more compact, here are all the steps on one line.
135×312=85×72=285
Introduction
A mixed number is a combination of an integer and a fraction. The integer is called the integer part . The fraction is called the fraction part . Hence they are sometimes called mixed fractions . Some examples are
456,723,318
We usually write the mixed number so that the fraction is a proper fraction. These mixed fractions are equivalent to
4+56,7+23,3+18
respectively. The difference is we don't write the plus sign anymore.
We can add or subtract two mixed numbers . The next question that arises is, can we multiply mixed numbers? The answer is a resounding yes, but it takes a bit of work.
Before multiplying, we must convert both mixed numbers to improper fractions . Then we multiply the improper fractions together directly. In some cases we will need to reduce the fraction to lowest terms . Finally, we can convert back to a mixed number. This procedure assumes we know how to multiply regular fractions. You should review that first if you need to.
Since our problem was given with mixed numbers, we aim to have our final answer be a mixed number too.
Multiplying two mixed numbers might be harder than adding or subtracting them. However, multiplication lets us avoid one painful step. We don't have to worry about common denominators. You might remember adding and subtracting fractions with unlike denominators . For those problems you had to find the greatest common denominator. It's the same for adding or subtracting mixed numbers. No need to worry about that when multiplying them together!
Let's work some examples.
First Example
We're going to multiply
The first step is to convert the mixed numbers to improper fractions. To calculate the new numerators, we use order of operations .
115=5×1+15=65 113=3×1+13=43
Now we multiply these fractions. Multiplying the numerators and denominators together gives
This is an improper fraction. That's a good sign because we want to convert back to a mixed number. First, however, we ask if we can reduce this fraction. We look for common factors of the numerator and denominator. That leads to the conclusion that 3 is a common factor. Let's get rid of it:
2415=8×35×3=8×35×3=85
And finally, let's turn this back into a mixed number.
In summary, we've shown that
115×113=135
Second Example
Let's work out another example. This time we're going to multiply
The fractions are slightly different, but the procedure is the same. Let's convert the mixed numbers to improper fractions. One of these fractions is repeated from the first example.
513=5×3+13=163 113=1×3+13=43
Now, let's multiply these two fractions together. Multiply the numerators. Then multiply the denominators.
In the last example we reduced the fraction. Can we do that again here? It turns out the answer to this question is no. The numerator and denominator are relatively prime. That means they share no common prime factors. In other words, the greatest common factor is 1. More thoroughly, we write the prime factorization for each number.
64=2×2×2×2×2×2=26 9=3×3=32
So we see 64 and 9 share no common factors besides 1. That means we can't reduce the fraction 649. All that's left is to convert back to a mixed number.
In summary, we've shown
513×113=719
Third Example
We're going to mix it up a bit now (no pun intended). Let's throw in a negative sign. We're going to multiply
Once again we convert from mixed number back to improper fraction. We can just carry around the negative sign in front. It won't mess with anything else.
−335=−3×5+35=−185 225=2×5+25=125
Now let's multiply the fractions. The negative sign in front will act as multiplying by −1.
−185×125=−21625
This fraction does not need to be reduced. The numerator and denominator don't share factors besides 1. If you want, you can check this with the prime factorizations of 216 and 25. Anyway,
−21625=−81625
Just like in the other examples, we wrote our final answer as a mixed number.
A Word Problem
To wrap things up we're going to do a word problem.
Question Statement: Filip works part-time at a factory. He works three shifts in a week. Each shift is 512 hours long. How many hours does he work in a week? Write your answer as a mixed number.
The wording of the problem suggests we'll need multiplication . Each shift is 512 hours long, and there are three shifts. This is the multiplication problem
Only the first number is a mixed number. The second number is an integer. So we convert 512 to an improper fraction:
512=5×2+12=112
We will also write the 3 as 31. This will make multiplying easier. Then
512×3=112×31
Now multiply the numerators and denominators:
Finally, let's turn this back into a mixed number:
Hence our final answer is 1612 hours.
The Most Common Mistake
Let's conclude by discussing the most common mistake students make. Don't multiply the integer parts and the fraction parts. This doesn't work because of the invisible plus sign present in any mixed number. In other words, doing this violates the order of operations.
Moving Forward
In this explanation we skipped over one of the big operations. What about division? Well, we can divide ordinary fractions . This includes those improper fractions.
As a result we're also able to divide mixed numbers . The procedure is similar to multiplying mixed numbers.
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How to Solve Word Problems Involving Multiplying Mixed Numbers?
In this step-by-step guide, you will learn how to solve word problems involving multiplying mixed numbers.
A step-by-step guide to word problems involving multiplying mixed numbers
Mixed numbers have a whole number and a fraction.
To multiply mixed numbers, follow these steps: Step 1: Write down the mixed number as an improper fraction. Step 2: Multiply the numerators. Step 3: Multiply the denominators. Step 4: Simplify the product if possible.
Word Problem Involving Multiplying Mixed Numbers – Example 1
Daniel and Kevin made ladders. Daniel’s ladder is \(7\) feet tall. Kevin’s ladder is \(2 \frac{3}{5}\) times as tall as Daniel’s. How tall is Kevin’s ladder?
Since the Kevin’s ladder is \(2 \frac{3}{5}\) times as tall as Daniel’s, multiply \(2 \frac{3}{5}\) in \(7\). \(2 \frac{3}{5}×7=\)?, \(2 \frac{3}{5}=\frac{(2×5)+3}{5}=\frac{13}{5}\) Write \(7\) as an improper fraction. \(\frac{7}{1}\) Multiply the numerators and the denominators. \(\frac{13}{5}×\frac{7}{1}=\frac{91}{5}\) Simplify and write as a mixed number. \(\frac{91}{5}=18 \frac{1}{5}\)
Word Problem Involving Multiplying Mixed Numbers – Example 2
An office is \(16 \frac{2}{3}\) yards wide. Its length is \(4 \frac{1}{4}\) times as long as it is wide. How long is the length of the office?
Since the length is \(4 \frac{1}{4}\) times as long as \(16 \frac{2}{3}\), multiply \(4 \frac{1}{4}\) in \(16 \frac{2}{3}\). \(4 \frac{1}{4}×16 \frac{2}{3}=\)?, \(4 \frac{1}{4}=\frac{(4×4)+1}{4}=\frac{17}{4}, 16 \frac{2}{3}=\frac{(16×3)+2}{3}=\frac{50}{3}\) Multiply the numerators and the denominators. \(\frac{17}{4}×\frac{50}{3}=\frac{850}{12}\) Simplify and write as a mixed number. \(\frac{850}{12}=70 \frac{10}{12}=70 \frac{5}{6}\)
by: Effortless Math Team about 1 year ago (category: Articles )
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2.2.1: Multiplying Fractions and Mixed Numbers
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- Page ID 61459
- The NROC Project
Learning Objectives
- Multiply two or more fractions.
- Multiply a fraction by a whole number.
- Multiply two or more mixed numbers.
- Solve application problems that require multiplication of fractions or mixed numbers.
Introduction
Just as you add, subtract, multiply, and divide when working with whole numbers, you also use these operations when working with fractions. There are many times when it is necessary to multiply fractions and mixed numbers . For example, this recipe will make 4 crumb piecrusts:
5 cups graham crackers
8 tablespoons sugar
\(\ 1 \frac{1}{2}\) cups melted butter
\(\ \frac{1}{4}\) teaspoon vanilla
Suppose you only want to make 2 crumb piecrusts. You can multiply all the ingredients by \(\ \frac{1}{2}\), since only half of the number of piecrusts are needed. After learning how to multiply a fraction by another fraction, a whole number or a mixed number, you should be able to calculate the ingredients needed for 2 piecrusts.
Multiplying Fractions
When you multiply a fraction by a fraction, you are finding a “fraction of a fraction.” Suppose you have \(\ \frac{3}{4}\) of a candy bar and you want to find \(\ \frac{1}{2}\) of the \(\ \frac{3}{4}\):
By dividing each fourth in half, you can divide the candy bar into eighths.
Then, choose half of those to get \(\ \frac{3}{8}\).
In both of the above cases, to find the answer, you can multiply the numerators together and the denominators together.
Multiplying Two Fractions
\(\ \frac{a}{b} \cdot \frac{c}{d}=\frac{a \cdot c}{b \cdot d}=\frac{\text { product of the numerators }}{\text { product of the denominators }}\)
\(\ \frac{3}{4} \cdot \frac{1}{2}=\frac{3 \cdot 1}{4 \cdot 2}=\frac{3}{8}\)
Multiplying More Than Two Fractions
\(\ \frac{a}{b} \cdot \frac{c}{d} \cdot \frac{e}{f}=\frac{a \cdot c \cdot e}{b \cdot d \cdot f}\)
\(\ \frac{1}{3} \cdot \frac{2}{4} \cdot \frac{3}{5}=\frac{1 \cdot 2 \cdot 3}{3 \cdot 4 \cdot 5}=\frac{6}{60}\)
\(\ \frac{8}{15}\)
If the resulting product needs to be simplified to lowest terms, divide the numerator and denominator by common factors.
\(\ \frac{2}{3} \cdot \frac{1}{4}=\frac{1}{6}\)
You can also simplify the problem before multiplying, by dividing common factors.
You do not have to use the “simplify first” shortcut, but it could make your work easier because it keeps the numbers in the numerator and denominator smaller while you are working with them.
\(\ \frac{3}{4} \cdot \frac{1}{3}\) Multiply. Simplify the answer.
- \(\ \frac{3}{12}\)
- \(\ \frac{4}{7}\)
- \(\ \frac{1}{4}\)
- \(\ \frac{36}{144}\)
- Incorrect. \(\ \frac{3}{12}\) is an equivalent fraction to the correct answer \(\ \frac{1}{4}\), but it is not in lowest terms. You must divide numerator and denominator by the common factor 3. The correct answer is \(\ \frac{1}{4}\).
- Incorrect. You may have added numerators (3+1) and added denominators (4+3) instead of multiplying. The correct answer is \(\ \frac{1}{4}\).
- Correct. One way to find this answer is to multiply numerators and denominators, \(\ \frac{3 \cdot 1}{4 \cdot 3}=\frac{3}{12}\), then simplify: \(\ \frac{3 \div 3}{12 \div 3}=\frac{1}{4}\).
- Incorrect. You probably found a common denominator, multiplied correctly, but then forgot to simplify. Finding a common denominator is not necessary and makes the multiplication harder because you are working with greater than necessary numbers. The correct answer is \(\ \frac{1}{4}\).
Multiplying a Fraction by a Whole Number
When working with both fractions and whole numbers, it is useful to write the whole number as an improper fraction (a fraction where the numerator is greater than or equal to the denominator). All whole numbers can be written with a "1" in the denominator. For example: \(\ 2=\frac{2}{1}\), \(\ 5=\frac{5}{1}\), and \(\ 100=\frac{100}{1}\). Remember that the denominator tells how many parts there are in one whole, and the numerator tells how many parts you have.
Multiplying a Fraction and a Whole Number
\(\ a \cdot \frac{b}{c}=\frac{a}{1} \cdot \frac{b}{c}\)
\(\ 4 \cdot \frac{2}{3}=\frac{4}{1} \cdot \frac{2}{3}=\frac{8}{3}\)
Often when multiplying a whole number and a fraction, the resulting product will be an improper fraction. It is often desirable to write improper fractions as a mixed number for the final answer. You can simplify the fraction before or after rewriting it as a mixed number. See the examples below.
\(\ 7 \cdot \frac{3}{5}=4 \frac{1}{5}\)
\(\ 4 \cdot \frac{3}{4}=3\)
\(\ 3 \cdot \frac{5}{6}\) Multiply. Simplify the answer and write it as a mixed number.
- \(\ 1 \frac{1}{7}\)
- \(\ 2 \frac{1}{2}\)
- \(\ \frac{5}{2}\)
- \(\ \frac{8}{6}\)
- Incorrect. You may have added the numerators and added the denominators to get \(\ \frac{8}{7}\), which is the mixed number \(\ 1 \frac{1}{7}\). Make sure you multiply numerators and multiply denominators. Multiplying the two numbers gives you \(\ \frac{15}{6}\), and since \(\ 15 \div 6=2 \mathrm{R} 3\), the mixed number is \(\ 2 \frac{3}{6}\). The fractional part simplifies to \(\ \frac{1}{2}\). The correct answer is \(\ 2 \frac{1}{2}\).
- Correct. Multiplying the two numbers gives \(\ \frac{15}{6}\), and since \(\ 15 \div 6=2 \mathrm{R} 3\), the mixed number is \(\ 2 \frac{3}{6}\). The fractional part simplifies to \(\ \frac{1}{2}\).
- Incorrect. Multiplying the numerators and multiplying the denominators results in the improper fraction \(\ \frac{5}{2}\), but you need to express this as a mixed number. The correct answer is \(\ 2 \frac{1}{2}\).
- Incorrect. You may have added numerators and placed it over the denominator of 6. Make sure you multiply numerators and multiply denominators. Multiplying the two numbers gives \(\ \frac{15}{6}\), and since \(\ 15 \div 6=2 \mathrm{R} 3\), the mixed number is \(\ 2 \frac{3}{6}\). The fractional part simplifies to \(\ \frac{1}{2}\). The correct answer is \(\ 2 \frac{1}{2}\).
Multiplying Mixed Numbers
If you want to multiply two mixed numbers, or a fraction and a mixed number, you can again rewrite any mixed number as an improper fraction.
So, to multiply two mixed numbers, rewrite each as an improper fraction and then multiply as usual. Multiply numerators and multiply denominators and simplify. And, as before, when simplifying, if the answer comes out as an improper fraction, then convert the answer to a mixed number.
\(\ 2 \frac{1}{5} \cdot 4 \frac{1}{2}=9 \frac{9}{10}\)
\(\ \frac{1}{2} \cdot 3 \frac{1}{3}=1 \frac{2}{3}\)
As you saw earlier, sometimes it’s helpful to look for common factors in the numerator and denominator before you simplify the products.
\(\ 1 \frac{3}{5} \cdot 2 \frac{1}{4}=3 \frac{3}{5}\)
In the last example, the same answer would be found if you multiplied numerators and multiplied denominators without removing the common factor. However, you would get \(\ \frac{72}{20}\), and then you would need to simplify more to get your final answer.
\(\ 1 \frac{3}{5} \cdot 3 \frac{1}{3}\)
- \(\ \frac{80}{15}\)
- \(\ 5 \frac{5}{15}\)
- \(\ 4 \frac{14}{15}\)
- \(\ 5 \frac{1}{3}\)
- Incorrect. You probably wrote both mixed numbers as improper fractions correctly. You probably also correctly multiplied numerators and denominators. However, this improper fraction still needs to be rewritten as a mixed number and simplified. Dividing \(\ 80 \div 15=5\) with a remainder of 5 or \(\ 5 \frac{5}{15}\), then simplifying the fractional part, the correct answer is \(\ 5 \frac{1}{3}\).
- Incorrect. You probably wrote both mixed numbers as improper fractions correctly. You probably also correctly multiplied numerators and denominators, and wrote the answer as a mixed number. However, the mixed number is not in lowest terms. \(\ \frac{5}{15}\) can be simplified to \(\ \frac{1}{3}\) by dividing numerator and denominator by the common factor 5. The correct answer is \(\ 5 \frac{1}{3}\).
- Incorrect. This is the result of adding the two numbers. To multiply, rewrite each mixed number as an improper fraction: \(\ 1 \frac{3}{5}=\frac{8}{5}\) and \(\ 3 \frac{1}{3}=\frac{10}{3}\). Next, multiply numerators and multiply denominators: \(\ \frac{8}{5} \cdot \frac{10}{3}=\frac{80}{15}\). Then, write the resulting improper fraction as a mixed number: \(\ \frac{80}{15}=5 \frac{5}{15}\). Finally, simplify the fractional part by dividing both numerator and denominator by the common factor, 5. The correct answer is \(\ 5 \frac{1}{3}\).
- Correct. First, rewrite each mixed number as an improper fraction: \(\ 1 \frac{3}{5}=\frac{8}{5}\) and \(\ 3 \frac{1}{3}=\frac{10}{3}\). Next, multiply numerators and multiply denominators: \(\ \frac{8}{5} \cdot \frac{10}{3}=\frac{80}{15}\). Then write as a mixed fraction \(\ \frac{80}{15}=5 \frac{5}{15}\). Finally, simplify the fractional part by dividing both numerator and denominator by the common factor 5.
Solving Problems by Multiplying Fractions and Mixed Numbers
Now that you know how to multiply a fraction by another fraction, by a whole number, or by a mixed number, you can use this knowledge to solve problems that involve multiplication and fractional amounts. For example, you can now calculate the ingredients needed for the 2 crumb piecrusts.
The ingredients needed for 2 pie crusts are:
\(\ 2 \frac{1}{2}\) cups graham crackers
4 tablespoons sugar
\(\ \frac{3}{4}\) cup melted butter
\(\ \frac{1}{8}\) teaspoon vanilla
Often, a problem indicates that multiplication by a fraction is needed by using phrases like “half of,” “a third of,” or "\(\ \frac{3}{4}\) of."
The cost of a vacation is \(\ \$ 4,500\) and you are required to pay \(\ \frac{1}{5}\) of that amount when you reserve the trip. How much will you have to pay when you reserve the trip?
You will need to pay \(\ \$ 900\) when you reserve the trip.
Hours spent:
sleeping: 8 hours
attending school: 4 hours
eating: 2 hours
Neil bought a dozen (12) eggs. He used \(\ \frac{1}{3}\) of the eggs for breakfast. How many eggs are left?
- Correct. \(\ \frac{1}{3}\) of 12 is \(\ 4\left(\frac{1}{3} \cdot \frac{12}{1}=\frac{12}{3}=4\right)\), so he used 4 of the eggs. Because \(\ 12-4=8\), there are 8 eggs left.
- Incorrect. \(\ \frac{1}{3}\) of 12 is 4, but that gives how many eggs Neil used, not how many he had left. You need to subtract 4 from 12 to find the number of remaining eggs. The correct answer is 8.
- Incorrect. You may have incorrectly found \(\ \frac{1}{3}\) of 12 to be \(\ \text { 3. } \frac{1}{3}\) of 12 is 4, and then 12-4 is 8. The correct answer is 8.
- Incorrect. You need to find \(\ \frac{1}{3}\) of 12, which is 4. Then subtract 4 from 12 to get 8 remaining eggs.
You multiply two fractions by multiplying the numerators and multiplying the denominators. Often the resulting product will not be in lowest terms, so you must also simplify. If one or both fractions are whole numbers or mixed numbers, first rewrite each as an improper fraction. Then multiply as usual, and simplify.
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Multiplying Mixed Numbers – Definition With Examples
Created: December 29, 2023
Last updated: January 6, 2024
At Brighterly , we believe that mastering the skill of multiplying mixed numbers can open up a whole new world of problem-solving and real-life applications. Learning to multiply mixed numbers might appear challenging initially, but with a little perseverance and our step-by-step guidance, it becomes an enjoyable and effortless math skill for children to acquire. In this article, we will deconstruct the process of multiplying mixed numbers, making it simpler and more accessible for young learners. So, let’s embark on this exciting journey through the realm of mixed numbers and uncover the various techniques of multiplication.
What Are Mixed Numbers
Mixed numbers are numbers that have both a whole number part and a fractional part. They are commonly used to represent quantities that are not whole numbers, such as lengths, weights, or volumes. For example, 2 1/2 (two and one-half) is a mixed number because it contains a whole number (2) and a fraction (1/2).
Mixed numbers are a useful way to represent and compare quantities that are not exactly whole numbers. They help us understand the world around us better and make it easier to solve real-life problems involving fractions.
How to Multiply Mixed Numbers?
When it comes to multiplying mixed numbers, there are a few simple steps to follow:
- Convert the mixed numbers to improper fractions.
- Multiply the improper fractions.
- Simplify the result, if necessary.
- Convert the result back to a mixed number, if desired.
In the following sections, we will explore each of these steps in more detail and provide examples to help solidify your understanding.
Mixed Number To Improper Fraction Worksheet PDF
Mixed Number To Improper Fraction Worksheet
Mixed Numbers To Improper Fractions Worksheet PDF
Mixed Numbers To Improper Fractions Worksheet
To strengthen your comprehension of the concept of Mixed Numbers, we recommend checking out the collection of math worksheets available at Brighterly. These worksheets are intended to support your learning and practice of this topic.
Multiplying Two or More Mixed Numbers
To multiply two or more mixed numbers, first convert them to improper fractions. An improper fraction is a fraction where the numerator (top number) is greater than or equal to the denominator (bottom number). To convert a mixed number to an improper fraction, use the following formula:
Improper Fraction = (Whole Number × Denominator) + Numerator / Denominator
Once you have converted the mixed numbers to improper fractions, simply multiply the numerators and multiply the denominators. Finally, simplify the resulting fraction, if possible.
Multiplying a Mixed Number with Fraction
When multiplying a mixed number with a fraction, the process is very similar to multiplying two mixed numbers. First, convert the mixed number to an improper fraction. Then, multiply the improper fraction and the given fraction. As always, simplify the result if necessary.
Multiplying a Mixed Number by a Whole Number
Multiplying a mixed number by a whole number is a straightforward process. First, convert the mixed number to an improper fraction. Next, multiply the numerator of the improper fraction by the whole number, keeping the denominator unchanged. Finally, simplify the result and convert it back to a mixed number, if desired.
Practice Questions on Multiplying Fractions with Mixed Numbers
- Multiply 2 1/2 by 3 3/4.
- Multiply 4 1/3 by 1/2.
- Multiply 5 by 1 2/3.
Mixed Numbers Into Improper Fractions Worksheet
Mixed Number And Improper Fractions Worksheet
The journey to mastering mixed numbers multiplication may seem daunting at first, but with the right mindset and consistent practice, it becomes an indispensable and manageable math skill. By following the straightforward steps provided in this Brighterly article, you can effortlessly multiply mixed numbers and apply this valuable knowledge to a myriad of real-life situations.
At Brighterly, our goal is to empower children to tackle complex mathematical concepts with confidence and enthusiasm. As they learn to multiply mixed numbers, they will not only develop a solid foundation in mathematics but also gain the ability to think critically and creatively when faced with real-world challenges. So, let’s continue learning and growing together on this exciting mathematical adventure!
Frequently Asked Questions on Multiplying Fractions with Mixed Numbers
How do i multiply mixed numbers with different denominators.
- Convert the mixed numbers to improper fractions, find a common denominator, and then multiply the numerators and denominators.
Can I multiply mixed numbers without converting them to improper fractions?
- While it’s possible to multiply mixed numbers using the distributive property, converting them to improper fractions simplifies the process and is the recommended method.
How do I know if my result is in simplest form?
- After multiplying the fractions, check if the numerator and denominator have any common factors. If they do, divide both by the greatest common factor to simplify the fraction.
What if my result is an improper fraction? Should I convert it back to a mixed number?
- Yes, it’s usually a good idea to convert the result back to a mixed number, especially if the context of the problem involves mixed numbers or whole numbers.
Can I use the same process for dividing mixed numbers?
- Yes, but you will need to multiply by the reciprocal of the second mixed number (or fraction) instead of directly multiplying. The overall process remains similar.
To learn more about multiplying mixed numbers and other related topics, consider visiting the following resources:
- Mathplanet – Multiplying Fractions
- Math-Aids – Multiplying Mixed Numbers Worksheets
- BBC Bitesize – Multiplying Fractions and Mixed Numbers
Remember, practice makes perfect. By regularly working on problems involving multiplying mixed numbers, children will become more comfortable with this concept and gain confidence in their math skills. Happy learning!
I am a seasoned math tutor with over seven years of experience in the field. Holding a Master’s Degree in Education, I take great joy in nurturing young math enthusiasts, regardless of their age, grade, and skill level. Beyond teaching, I am passionate about spending time with my family, reading, and watching movies. My background also includes knowledge in child psychology, which aids in delivering personalized and effective teaching strategies.
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Mathematics 6 Quarter 1 – Module 7: Multiplying Decimals and Mixed Decimals
This module was designed and written with you in mind. It is here to help you master the skills in multiplying decimals. The scope of this module allows you to use it in many different learning situations. The language used recognizes your diverse vocabulary level. The lessons are arranged to follow the standard sequence of your course. But the order in which you read them can be changed to match with the textbook you are now using.
The module is divided into three lessons, namely:
- Lesson 1 – Multiplying Decimals with Factors Up to 2 Decimal Places
- Lesson 2 – Multiplying Mixed Decimals with Factors Up to 2 Decimal Places
- Lesson 3 – Multiplying Decimals and Mixed Decimals with Factors Up to 2 Decimal Places
After going through this module, you are expected to:
1. multiply decimals with factors up to 2 decimal places; (M6NS-Ie-111.3)
2. multiply mixed decimals with factors up to 2 decimal places; (M6NS-Ie-111.3)
3. multiply decimals and mixed decimals with factors up to 2 decimal places; (M6NS-Ie-111.3)
4. solve routine and non-routine problems involving multiplication of decimals and mixed decimals including money using appropriate problem-solving strategies; (M6NS-Ie-113.2) and
5. solve multi-step problems involving multiplication and addition or subtraction of decimals, mixed decimals and whole numbers including money using appropriate problem-solving strategies and tools. (M6NS-If-113.3)
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Make lightning-fast progress with these multiplying mixed fractions worksheet pdfs. Change the mixed numbers to improper fractions, cross-cancel to reduce them to the lowest terms, multiply the numerators together and the denominators together and convert them to mixed numbers, if improper fractions. Finding the Product of Three Mixed Numbers.
Welcome to Multiplying Mixed Numbers with Mr. J! Need help with how to multiply mixed numbers? You're in the right place!Whether you're just starting out, or...
Multiplying mixed numbers is similar to multiplying whole numbers, except that you have to account for the fractional parts as well. ... That tells you not to switch gears in the middle of a math problem. 2 times 5 is 10, and then you subtract, and you have a remainder of 3. So 63/5 is the same thing as 12 wholes and 3 left over, or 3/5 left ...
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. ... Multiplying mixed numbers. Multiplying mixed numbers. Multiply mixed numbers. Math > 5th grade > ... Report a problem. Stuck? Review related articles/videos or use a hint.
The answer worksheet will show the progression on how to solve the problems. First rewrite the problem and combine the whole numbers into the fractions, next multiply the numerators and then the denominators. Then check to see if we need to simplify or reduce the fraction. This fraction worksheet will generate 10 or 15 fraction mixed number ...
Fractions worksheets: Multiplying mixed numbers by mixed numbers. Below are six versions of our grade 5 math worksheet on multiplying mixed numbers together. These worksheets are pdf files. Worksheet #1 Worksheet #2 Worksheet #3 Worksheet #4 Worksheet #5 Worksheet #6. 5 More.
Example 1: Nina's garden is 4 and 2/3 feet long and 1 and 1/8 feet wide.What is the area of the garden? Analysis: We will multiply these mixed numbers in order to solve this problem. Solution: First we will convert each mixed number to an improper fraction.Then we can multiply. Step 1: Step 2: Answer: The area of Nina's garden is 5 and 1/4 sq ft.
Convert Mixed to Improper Fractions: 1 12 = 22 + 12 = 32. 2 15 = 105 + 15 = 115. Multiply the fractions (multiply the top numbers, multiply bottom numbers): 32 × 115 = 3 × 112 × 5 = 3310. Convert to a mixed number. 3310 = 3 310. If you are clever you can do it all in one line like this: 1 12 × 2 15 = 32 × 115 = 3310 = 3 310
The denominator remains the same. Step 2: Simplify - Simplify both fractions and bring it into its reduced form. Step 3: Multiply - Multiply the numerator of the first fraction with the numerator of the second fraction and repeat the same for the denominators. Step 4: Simplify - Simplify the answer to bring it into its reduced form.
To multiply the numbers, just multiply their numerators and multiply their denominators. [5] To multiply 9/2 and 32/5, you should multiply the numerators, 9 and 32. So 9 x 32 = 288. Next, multiply the denominators, 2 and 5, to get 10. Place the new numerator over the new denominator to get 288 / 10. 4.
Mixed numbers. In previous lessons, it was said that a fraction consisting of a whole part and a fractional part is called a mixed number. All fractions that have a whole part and a fraction part have one common name: mixed numbers. Mixed numbers can be added, subtracted, multiplied, and divided, just like proper fractions.
C is the odd one out because A and B both equal17 1 3 , whereas C equals17 1 5 . 9a. Alfie is not correct because he has multiplied the denominator by the integer. The correct answer is 16 4. 5 . Reasoning and Problem Solving Multiply Mixed Numbers by Integers.
The class will cover various types of word problems, including those that involve multiplying fractions by whole numbers, other fractions, mixed numbers, and unit conversion. Students will practice comprehension skills, problem-solving strategies, and mathematical discussions while solving these real-world scenarios.
The process for mixed number multiplication is as follows: Convert the mixed numbers into improper fractions. Multiply the fractions. Convert back to a mixed number. The example she looks at is 135×312. Start by converting. 135=85312=72. Now, multiply. 85×72=45×71=285. We crossed out the 8 and 2 because there was a common factor of 2 to ...
A step-by-step guide to word problems involving multiplying mixed numbers. Mixed numbers have a whole number and a fraction. To multiply mixed numbers, follow these steps: Step 1: Write down the mixed number as an improper fraction. Step 2: Multiply the numerators. Step 3: Multiply the denominators. Step 4: Simplify the product if possible.
Solving Problems by Multiplying Fractions and Mixed Numbers. Now that you know how to multiply a fraction by another fraction, by a whole number, or by a mixed number, you can use this knowledge to solve problems that involve multiplication and fractional amounts. For example, you can now calculate the ingredients needed for the 2 crumb piecrusts.
1 in 4 students use IXL. for academic help and enrichment. Pre-K through 12th grade. Sign up now. Keep exploring. Improve your math knowledge with free questions in "Multiply mixed numbers: word problems" and thousands of other math skills.
At Brighterly, we believe that mastering the skill of multiplying mixed numbers can open up a whole new world of problem-solving and real-life applications.Learning to multiply mixed numbers might appear challenging initially, but with a little perseverance and our step-by-step guidance, it becomes an enjoyable and effortless math skill for children to acquire.
Multiply the fractions (11/4) x (3/2) = 33/8. Convert the fraction to a mixed number. 4 ⅛. So, the answer is 4 ⅛. Teach Starter has created a worksheet where students will solve 10 problems where students must multiply mixed numbers. An answer key is included with your download to make grading fast and easy!
These mixed problems worksheets are great for testing students on solving equalities in an equation. You may select four different variations of the location for the unknown. You may select between 12, 16, and 20 problems to be displayed on each worksheet. 1 or 2 Digit - 4 Numbers for Addition and Subtraction.
Mixed numbers: Enter as 1 1/2 which is one and one half or 25 3/32 which is twenty five and three thirty seconds. Keep exactly one space between the whole number and fraction and use a forward slash to input fractions. You can enter up to 3 digits in length for each whole number, numerator or denominator (123 456/789).
4. solve routine and non-routine problems involving multiplication of decimals and mixed decimals including money using appropriate problem-solving strategies; (M6NS-Ie-113.2) and 5. solve multi-step problems involving multiplication and addition or subtraction of decimals, mixed decimals and whole numbers including money using appropriate ...
Just as you add, subtract, multiply, and divide when working with whole numbers, you also use these operations when working with fractions. There are many times when it is necessary to multiply fractions and mixed numbers An expression in which a whole number is combined with a proper fraction. For example is a mixed number. .For example, this recipe will make NROC crumb piecrusts: