Fractions Review

LCM

100

 4 and 6

12

200

5 and 10 

10

300

8 and 12

24

400

9 and 12 

36

500

15 and 20 

60

GCF

100

12 and 18 

6

200

16 and 24

₈

300

20 and 50

10

400

36 and 48 

12

500

42 and 56

14

Adding Fractions

100

1/2 + 1/4 

3/4 

200

3/8 + 2/8 

5/8 

300

5/6 + 1/3 

7/6 or 1 1/6 

400

7/12 + 5/6 

17/12 or 1 5/12 

500

11/18 + 5/9 

21/18 or 1 1/6 

Subtracting Fractions

100

3/4 - 1/4 

1/2 

200

7/8 - 3/8 

1/2

300

5/6-1/2

1/3

400

11/12 - 5/6 

1/4 

500

13/15 - 4/9 

_7/45

Multiplying Fractions

100

1/2 x 3/4 

3/8 

200

2/3 x 5/6 

5/9

300

3/5 x 10/12 

1/2 

400

7/8 x 4/9 

7/18

500

11/12 x 5/18

55/216

Dividing Fractions

100

1/2 / 1/4 

2

200

2/3 / 1/6

4

300

3/4 / 2/5 

15/8 1 7/8

400

7/8 / 14/15

105/112 15/16

500

11/12 / 5/18

198/60 33/10 3 3/10