GCF and LCM
Simplifying Fractions
Adding Fractions
Subtracting Fractions
Fractions to Decimals
100

What is the LCM of 4 and 6?

12

100

12/48

1/4

100

3/4 + 2/4

1  1/4

100

7/12 - 5/12

1/6

100

7/10

0.7

200

What is the GCF of 15 and 30?

5

200

21/63

1/3

200

3/10 + 1/6

7/15

200

13/20 - 3/5

1/20

200

1/4

0.25

300

What is the GCF of 18 and 36?

18

300

500/3500

1/7

300

9/16 + 1/32

19/32

300

4/5 - 2/7

18/35

300

4/5

0.8

400

What is the LCM of 9 and 12?

36

400

15/90

1/6

400

2  3/4 + 3  5/6

6  7/12

400

3  7/10 - 2  1/5

1  1/2

400

3/20

0.15

500
What is the LCM of 12 and 15?

60

500

33/121

3/11

500

7/12 + 5/11

1  5/132

500

7  1/4 - 2  5/8

4  1/4

500

5/8

0.625

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