Grade 5 Math: Common Denominators

This worksheet helps Grade 5 students practice finding common denominators and comparing fractions.

Grade 5 Math FractionsCommon Denominators

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Includes

Fill in the BlanksMultiple ChoiceShort AnswerTrue / FalseCustom

Standards

CCSS.MATH.CONTENT.5.NF.A.1CCSS.MATH.CONTENT.5.NF.A.2

Topics

mathfractionscommon denominatorsgrade 5

7 sections · Free to use · Printable

Common Denominators Practice

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Date:

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Read each question carefully and follow the instructions to find common denominators, compare fractions, or solve problems.

1. Find the least common denominator (LCD) for the fractions 1/3 and 1/4. The LCD is .

2. Convert 2/5 and 1/2 to equivalent fractions with a common denominator. The equivalent fractions are and .

3. What is the least common multiple of 6 and 8? The LCM is .

4. Which of the following is a common denominator for 1/2 and 2/3?

5. Which pair of fractions has a common denominator of 10?

1/3 and 1/5

1/2 and 3/5

1/4 and 1/5

2/3 and 1/5

6. Compare the fractions 3/4 and 5/6 by converting them to equivalent fractions with a common denominator. Which fraction is greater? Show your work.

7. Order the following fractions from least to greatest: 1/2, 2/5, 3/10. Use common denominators to help you.

8. The least common denominator of two fractions is always the product of their denominators.

True

False

9. To add or subtract fractions, you must first find a common denominator.

True

False

10. Shade the fraction bars below to represent 1/3 and 2/6. What do you notice about the shaded areas?