Subtracting Fractions with Unlike Denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions.

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CCSS.4.NF.B.3A

Front

What are unlike denominators?

Back

Unlike denominators are denominators that are not the same in two or more fractions.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the first step in subtracting fractions with unlike denominators?

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

1 1/4 - 2/3 = ?

Back

7/12

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

3/5 - 5/10 = ?

Back

1/10

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Andrew ran 1/3 of a mile and swam 5/6 of a mile. How much farther did he swim than run?

Back

3/6 of a mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

1 5/8 - 3/4 = ?

Back

7/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

You give your cousin 1/3 of a bag of chips and your sister 1/5. What fraction is left?

Back

7/15 of the bag

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2