Add and Subtract Fractions with Unlike Denominators

Front

What is the number on the top of a fraction called?

Back

Numerator

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the number on the bottom of a fraction called?

Back

Denominator

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with unlike denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

Find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the least common denominator (LCD) of 3 and 4?

Back

12.

Front

Back

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

Back