Multiplication of Fractions Practice Problems and Solutions

Master fraction multiplication with step-by-step practice problems. Learn to multiply fractions, whole numbers, and mixed numbers with detailed solutions and examples.

πŸ“šMaster Fraction Multiplication with Interactive Practice
  • Multiply fractions using numerator by numerator and denominator by denominator method
  • Convert whole numbers and mixed numbers to fractions for multiplication
  • Apply the commutative property to rearrange fraction multiplication problems
  • Simplify fraction products to their lowest terms
  • Solve multi-step problems involving fractions, integers, and mixed numbers
  • Build confidence with progressive difficulty levels from basic to advanced

Understanding Multiplication of Fractions

Complete explanation with examples

How to Multiply Fractions

The multiplication of fractions is carried out by multiplying numerator by numerator and denominator by denominator, this is the method.

  • In case there is any mixed number - We will convert it into a fraction and then solve according to the learned method.
  • In case there is any whole number - We will convert it into a fraction and then solve according to the learned method.
  • The commutative property works - We can change the order of the fractions within the exercise without altering its result.
Detailed explanation

Practice Multiplication of Fractions

Test your knowledge with 14 quizzes

\( \frac{2}{4}\times\frac{1}{2}= \)

Examples with solutions for Multiplication of Fractions

Step-by-step solutions included
Exercise #1

14Γ—12= \frac{1}{4}\times\frac{1}{2}=

Step-by-Step Solution

To solve this problem, we will multiply the two fractions given: 14 \frac{1}{4} and 12 \frac{1}{2} .

  • Step 1: Multiply the numerators: 1Γ—1=1 1 \times 1 = 1 .
  • Step 2: Multiply the denominators: 4Γ—2=8 4 \times 2 = 8 .
  • Step 3: Combine these results into a new fraction: 18 \frac{1}{8} .

Therefore, the product of the fractions 14 \frac{1}{4} and 12 \frac{1}{2} is 18 \frac{1}{8} . This matches choice 3 from the provided answer choices.

Answer:

18 \frac{1}{8}

Video Solution
Exercise #2

34Γ—12= \frac{3}{4}\times\frac{1}{2}=

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Multiply the numerators of the fractions.
  • Step 2: Multiply the denominators of the fractions.
  • Step 3: Simplify the resulting fraction if needed.

Now, let's work through each step:

Step 1: The fractions are given as 34 \frac{3}{4} and 12 \frac{1}{2} . Multiplying the numerators, we get:

3Γ—1=3 3 \times 1 = 3

Step 2: Next, multiply the denominators:

4Γ—2=8 4 \times 2 = 8

Step 3: Combine these results to write the product of the fractions:

34Γ—12=3Γ—14Γ—2=38\frac{3}{4} \times \frac{1}{2} = \frac{3 \times 1}{4 \times 2} = \frac{3}{8}

The resulting fraction 38 \frac{3}{8} is already in its simplest form, so no further simplification is necessary.

Therefore, the solution to the problem is 38 \frac{3}{8} .

Answer:

38 \frac{3}{8}

Video Solution
Exercise #3

16Γ—13= \frac{1}{6}\times\frac{1}{3}=

Step-by-Step Solution

To solve the problem of multiplying two fractions 16 \frac{1}{6} and 13 \frac{1}{3} , we'll follow these steps:

  • Step 1: Multiply the numerators of the fractions.
  • Step 2: Multiply the denominators of the fractions.
  • Step 3: Simplify the resulting fraction if necessary.

Let's apply these steps to our problem:

Step 1: Multiply the numerators: 1Γ—1=1 1 \times 1 = 1 .
Step 2: Multiply the denominators: 6Γ—3=18 6 \times 3 = 18 .

Therefore, the product of 16 \frac{1}{6} and 13 \frac{1}{3} is 118 \frac{1}{18} .

The solution to the problem is 118 \frac{1}{18} , which corresponds to choice 4.

Answer:

118 \frac{1}{18}

Video Solution
Exercise #4

14Γ—32= \frac{1}{4}\times\frac{3}{2}=

Step-by-Step Solution

To solve the problem of multiplying the fractions 14\frac{1}{4} and 32\frac{3}{2}, we will follow these steps:

  • Step 1: Multiply the numerators of the fractions.
  • Step 2: Multiply the denominators of the fractions.
  • Step 3: Write the result as a fraction and simplify if needed.

Now, let's work through each step:

Step 1: Multiply the numerators:
The numerators are 11 and 33. Thus, 1Γ—3=31 \times 3 = 3.

Step 2: Multiply the denominators:
The denominators are 44 and 22. Thus, 4Γ—2=84 \times 2 = 8.

Step 3: Write the result as a fraction and simplify:
The resulting fraction is 38\frac{3}{8}. This fraction is already in simplest form.

Therefore, the solution to the problem is 38\frac{3}{8}.

Among the choices provided, the correct answer is choice 3: 38\frac{3}{8}.

Answer:

38 \frac{3}{8}

Video Solution
Exercise #5

23Γ—57= \frac{2}{3}\times\frac{5}{7}=

Step-by-Step Solution

Let us solve the problem of multiplying the two fractions 23\frac{2}{3} and 57\frac{5}{7}.

  • Step 1: Identify the numerators and denominators. Here, the numerators are 22 and 55, and the denominators are 33 and 77.
  • Step 2: Multiply the numerators: 2Γ—5=102 \times 5 = 10.
  • Step 3: Multiply the denominators: 3Γ—7=213 \times 7 = 21.
  • Step 4: Put the results together in a new fraction: 1021\frac{10}{21}.
  • Step 5: Simplify the fraction if needed. In this case, 1021\frac{10}{21} is already in its simplest form as 1010 and 2121 have no common factors besides 11.

Therefore, the solution to the problem 23Γ—57 \frac{2}{3} \times \frac{5}{7} is 1021\frac{10}{21}.

Answer:

1021 \frac{10}{21}

Video Solution

Frequently Asked Questions

How do you multiply fractions step by step?

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To multiply fractions, multiply the numerators together and multiply the denominators together. For example: 2/3 Γ— 3/5 = (2Γ—3)/(3Γ—5) = 6/15 = 2/5 after simplifying.

How do you multiply a whole number by a fraction?

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First convert the whole number to a fraction by putting it over 1. Then multiply numerator by numerator and denominator by denominator. For example: 3 Γ— 2/6 = 3/1 Γ— 2/6 = 6/6 = 1.

What is the easiest way to multiply mixed numbers?

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Convert the mixed number to an improper fraction first. Multiply the whole number by the denominator, add the numerator, and put the result over the original denominator. Then multiply as usual.

Do you need to find a common denominator when multiplying fractions?

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No, you don't need a common denominator for multiplication. Simply multiply the numerators together and the denominators together. Common denominators are only needed for addition and subtraction of fractions.

How do you simplify fractions after multiplication?

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After multiplying fractions, find the greatest common factor (GCF) of the numerator and denominator, then divide both by the GCF. For example: 6/15 = 2/5 after dividing both by 3.

Can you change the order of fractions when multiplying?

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Yes, the commutative property applies to fraction multiplication. You can change the order of fractions without changing the result. For example: 1/2 Γ— 2/9 Γ— 1/3 gives the same result as 1/3 Γ— 1/2 Γ— 2/9.

What are common mistakes when multiplying fractions?

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Common mistakes include: 1) Adding denominators instead of multiplying them, 2) Finding common denominators (not needed for multiplication), 3) Forgetting to convert mixed numbers to improper fractions first, 4) Not simplifying the final answer.

How do you multiply three or more fractions together?

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Multiply all numerators together and all denominators together. For example: 1/2 Γ— 2/9 Γ— 1/3 = (1Γ—2Γ—1)/(2Γ—9Γ—3) = 2/54 = 1/27 after simplifying.

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