Fractions Review

Finding LCD

100

3/5 and 7/10

10

200

5/6 and 7/18

18

300

3/7 and 1/4

28

400

1/6 and 2/9

18

500

5/8 and 4/9

72

Adding Unlike Fractions

100

1/2+1/3

5/6

200

1/8+1/16

3/16

300

1/5+1/3

8/15

400

9/10+1/5

1 1/10

500

2/3+5/6

1 1/2

Subtracting Unlike Fractions

100

7/8-5/12

11/24

200

5/8-1/6

11/24

300

3/4-5/12

1/3

400

7/8-2/3

5/24

500

4/5-2/15

2/3

Adding Mixed Numbers

100

5 1/2+2 1/8

7 5/8

200

3 1/4+1 5/6

5 1/12

300

6 2/3+ 5 5/6

12 1/2

400

7 1/3+8 7/9

16 1/9

500

8 4/10+2 3/5

11

Subtracting Mixed Numbers

100

7 5/6-3 2/3

4 1/6

200

12 1/4-7 1/2

4 3/4

300

9 7/10-3 4/5

5 9/10

400

5 5/8-3 1/4

2 3/8

500

9-3 3/8

5 5/8