Adding Fractions

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 add fractions?

Back

Adding fractions means combining two or more fractions to find a total or sum.

Tags

CCSS.4.NF.B.3A

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for 1/6 and 1/12?

Back

The least common multiple of 6 and 12 is 12, so the common denominator is 12.

Front

What is the sum of 1/6 and 1/12?

Back

1/6 + 1/12 = 1/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you add fractions with different denominators?

Back

Convert them to have a common denominator, then add the numerators and keep the common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 2/3 and 2/9?

Back

2/3 + 2/9 = 8/9.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 1/4 and 3/8?

Back

1/4 + 3/8 = 5/8.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 1/3 and 1/9?

Back

1/3 + 1/9 = 4/9.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 7/18 and 1/3?

Back

7/18 + 1/3 = 13/18.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2