Subtracting/Adding Fractions with like and unlike denominators

Front

What is the first step to subtract fractions with unlike denominators?

Back

Find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step to add fractions with unlike denominators?

Back

Find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the same number to make the denominators equal.

Front

Back

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.7.NS.A.1C

Front

What do you need to add or subtract fractions?

Back

Common denominators.

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the formula for adding fractions with like denominators?

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D