Adding and Subtracting Unlike Fractions

Front

What is the first step in adding or subtracting unlike fractions?

Back

Find a common denominator for the fractions.

Tags

CCSS.7.NS.A.1C

Front

How do you find a common denominator for two fractions?

Back

Identify the least common multiple (LCM) of the denominators.

Front

What is the least common multiple (LCM) of 3 and 6?

Back

The LCM of 3 and 6 is 6.

Front

How do you convert a fraction to an equivalent fraction with a different denominator?

Back

Multiply the numerator and denominator by the same number to create an equivalent fraction.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is 1/3 expressed with a denominator of 6?

Back

1/3 is equivalent to 2/6.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the process for adding fractions with unlike denominators?

Back

Convert both fractions to equivalent fractions with a common denominator, then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process for subtracting fractions with unlike denominators?

Back

Convert both fractions to equivalent fractions with a common denominator, then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the simplified form of 7/21?

Back

The simplified form of 7/21 is 1/3.

Front

What is the sum of 2/6 and 1/2?

Back

The sum of 2/6 and 1/2 is 5/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 3/4 and 2/8?

Back

The sum of 3/4 and 2/8 is 1.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2