Adding and Subtracting Fractions Review

Equivalent Fractions

100

1/3 = ?/6

1/3 = 2/6

200

3/5 = ?/10

3/5 = 6/10

300

4/5 = ?/25

4/5 = 20/25

400

Make your own equivalent fraction for 6/8!

Your answer is up to you!

500

Make your own equivalent fraction for 7/10!

Your answer is up to you!

Add and Subtract with Like Denominators

100

1/4 + 1/4 =

2/4

200

4 + 1/4 = 

4 1/4

300

7/10 - 3/10 =

4/10

400

5/7 - 3/7 =

2/7

500

5/6 + 4/6 = 

10/6 or 1 4/6

Add and Subtract with Unlike Denominators

100

1/3 + 1/6 =

2/6 + 1/6 = 3/6

200

6/9 - 1/3 =

6/9 - 3/9 = 3/9

300

2/3 + 3/6 = 

4/6 + 3/6 = 7/6 or 1 1/6

400

3/5 - 1/10 =

6/10 - 1/10 = 5/10

500

4/15 + 4/5 =

4/15 + 12/15 = 16/15 or 1 1/15

Add and Subtract: Common Denominators

100

1/2 + 1/3 = 

3/6 + 2/6 = 5/6

200

1/4 + 1/3 = 

3/12 + 4/12 = 7/12

300

2/3 - 1/5 = 

10/15 - 9/15 = 1/15

400

3/4 + 2/5 = 

15/20 + 8/20 = 23/20 or 1 3/20

500

2 2/3 + 3 1/2

2 4/6 + 3 3/6 = 5 7/6 changes to 6 1/6

Subtracting using Regrouping

100

3 - 1/2 = 

2 1/2

200

5 - 3/4 = 

4 1/4

300

7 - 3 2/3=

3 1/3

400

10 - 6 5/6 = 

3 1/6

500

8 1/4 - 5 3/4

7 5/4 - 5 3/4 = 2 2/4