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Subtracting Fractions with Unlike Denominators

Practice subtracting fractions with different denominators, finding common denominators, and simplifying answers.

Grade 6 Math FractionsAdding and Subtracting FractionsSubtracting Fractions with Unlike Denominators
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Includes

2 Short AnswerTrue / FalseMultiple ChoiceFill in the BlanksCustom

Standards

CCSS.MATH.CONTENT.5.NF.A.1CCSS.MATH.CONTENT.6.NS.B.3

Topics

fractionssubtractionunlike denominatorsgrade 6math
8 sections · Free to use · Printable
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Subtracting Fractions with Unlike Denominators

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Date:

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Read each question carefully and solve the problems. Remember to find a common denominator before subtracting fractions. Simplify your answers to the lowest terms.

1. Subtract the following fractions. Show your work.

a) 3/4 - 1/2

b) 5/6 - 1/3

c) 7/8 - 1/4

Determine if the following statements are true or false.

1. To subtract fractions, you must always have a common denominator.

T

True

F

False

2. The difference of 1/2 and 1/3 is 1/6.

T

True

F

False

1. What is the least common denominator (LCD) of 2/3 and 1/5?

a

8

b

10

c

15

d

30

2. If you subtract 1/4 from 1/2, what is the result?

a

1/8

b

1/4

c

3/4

d

1/2

Complete the sentences with the correct terms.

1. When subtracting fractions with unlike denominators, the first step is to find a  .

2. After finding a common denominator, you only subtract the  .

3. Always   your answer to its simplest form.

Solve the following word problems. Show your work.

1. Sarah had 7/10 of a pie. She ate 1/5 of the pie. How much pie is left?

2. John ran 5/6 of a mile. Mike ran 1/4 of a mile. How much farther did John run than Mike?

Use the fraction bars to help visualize the subtraction. Shade the bars to represent the problem and find the answer.

1. 3/4 - 1/2 = ?

3/4
1/2

Answer: