LCM
GCF
Add/Subtract Fractions
Multiplying Fractions
Bonus
100

What is the LCM of 3 and 8?

24

100

What is the GCF of 6 and 18?

6

100

1/8 + 3/4

7/8

100

1/7 X 2/3

2/21

100

9x15

135

200

What is the LCM of 4 and 6?

12

200

What is the GCF of 12 and 20?

4

200

2/3 + 1/6

5/6

200

1/4 X 2/5

2/20 = 1/10

200

20x55=

1100

300

What is the LCM of 4, 5, and 8?

40

300

What is the GCF of 10 and 15?

5

300

5/6 + 1/4

13/12 = 1 1/12

300

1 2/3 x 3/5

1

300

45x99

4,455

400

What is the LCM of 6, 12, and 24?

24

400

What is the GCF of 20 and 50?

10

400

2/7 + 3/5

31/35

400

3 3/4 X 2/5

1 1/2

400

563x12

6,756

500

What is the LCM of 3, 9, and 15?

45

500

What is the GCF of 8, 12, and 16?

4

500

3/6 + 1/2

1

500

3/7 X 2 5/6

1 3/14

500

920x130

119,600

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