Adding and Subtracting Fractions Quiz

Adding w/ Common Denominator

100

3/4 + 2/4 =

1 1/4

200

2/5 + 3/5 =

1

300

9/12 + 10/12 =

1 7/12

400

3 5/6 + 1 4/6 =

5 1/2

500

8 7/16 + 3 10/16

12 1/16

Adding w/ Different Denominators

100

4/6 + 8/18 =

1 1/9

200

4/12 + 8/16 =

5/6

300

18/24 + 7/8 =

1 5/8

400

1 1/2 + 4 1/6 =

5 5/6

500

3 3/4 + 2 1/2 =

6 1/4

Subtracting w/ Common Denominator

100

5/7 - 2/7 =

3/7

200

9/10 - 3/10 =

3/5

300

17/18 - 5/18 =

2/3

400

4 5/9 - 1 1/9 =

3 4/9

500

5 1/6 - 2 5/6 =

2 1/3

Subtracting w/ Different Denominators

100

3/4 - 1/8 =

5/8

200

4/5 - 1/3 =

7/15

300

5/6 - 1/10 =

11/15

400

4 2/3 -1 1/4 =

3 5/12

500

5 1/6 - 2 3/4 =

2 5/12

Surprise!

100

14/12 + 11/6 =

3

200

18 2/8 - 7 7/16 =

17 13/16

300

4 1/5 + 7 3/10 =

11 1/2

400

3 2/3 + 2 5/7 =

6 8/21

500

18 5/9 - 12 4/6 =

5 8/9