LCM
Adding Fractions
Subtracting fractions
100

What is the LCM of 3 and 6

6

100

1/4 + 1/3

7/12

100

3/4 - 1/3 

5/12

200

What is the LCM of 4 and 6

12

200

2/5 + 1/4

13/20

200

4/5 - 1/6 

19 / 30

300

What is the LCM of 6 and 8

24

300

3/6 + 1/8

5/24

300

7/8 - 1/4 

5/8 

400

What is the LCM of 9 and 12

36

400

5/12 + 7/18 

29/36

400

11/12 - 5/18 

23/36

500

What is the LCM of 12, 15, and 20

60

500

4/9 + 5/12

31/36

500

10/9 - 3/4

13/36

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