Add & Subtract Fractions & Mixed Numbers

Name the LCD

100

1/3 and 1/4

12

200

2/3 + 5/9

9

300

1/6 + 1/10

30

400

11/12 - 3/9

36

500

7/20 + 3/16

80

Adding Fractions with Unlike Denominators

100

2/9 + 2/3

8/9

200

5/12 + 1/8

13/24

300

2/8 + 5/12

2/3

400

(-5/8) + (-5/6)

-1 11/24

500

1/2 + (-1/8) 

3/8

Subtracting Fractions with Unlike Denominators

100

7/8 - 1/3

13/24

200

7/10 - 2/4

1/5

300

6/7 - 1/2

5/14

400

1/2 - 3/10

1/5

500

5/12 - (-2/8)

2/3

Adding Mixed Numbers

100

5 2/8 + 3 1/8

8 3/8

200

5 1/7 + 2 1/5

7 12/35

300

4 1/10 + 6 1/2

10 3/5

400

1 7/12 + 2 3/8

3 23/24

500

2 3/4 + 7 3/5

10 7/20

Subtracting Mixed Numbers

100

6 2/3 - 5 1/3

1 1/3

200

8 12/16 - 3 5/16

5 7/16

300

13 1/4 - 8 1/12

5 1/6

400

6 - 4/5

5 1/5

500

4 1/7 - 2 3/7

1 5/7