Adding and Subtracting Fractions with Regrouping

Front

What is the first step in solving this problem? ⅘ + ½ =

Back

Find a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What must you have to add and subtract fractions?

Back

Common denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the least common denominator you could use to subtract 1/3 and 1/4?

Back

12

Front

Back

1 1/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

8/9 - 1/3 =

Back

5/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

9/12 - 5/12 =

Back

1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

10/24 + 6/24 =

Back

2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

To add or subtract, two fractions must have...

Back

common denominators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

4 1/3 - 1 2/3

Back

2 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

6  1/4  -  2  3/4 

Back

3   1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D