Add and Subtract Unlike Fractions

Front

What is a fraction?

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to add fractions?

Back

Adding fractions involves finding a common denominator and then combining the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for 1/2 and 1/3?

Back

The least common multiple (LCM) of 2 and 3 is 6, so the common denominator is 6.

Front

What is the sum of 1/2 and 1/3?

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What does it mean to subtract fractions?

Back

Subtracting fractions also requires a common denominator, after which you subtract the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the difference between 6/7 and 2/3?

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert 2/8 to an equivalent fraction with a denominator of 4?

Back

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

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

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the difference between 8/9 and 1/3?

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2