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GCF
GCF Part 2
LCM
More LCM's
Find the missing number
100

Find the GCF 6 and 15.

GCF of 6 and 15 is 3

100

Find the GCF 

20, 45

The GCF of 20 and 45 is 5

100

Find the LCM of 

4, 6

The LCM of 4 and 6 is 12

100

Find the LCM of

16, 20

The LCM of 16 and 20 is 80

100

2/5 = 12/x

30

200

Find the GCF 

27, 45

The GCF of 27 and 45 is 9

200

Find the GCF

24, 90

The GCF of 24 and 90 is 6

200

Find the LCM of

4, 14

The LCM of 4 and 14 is 28

200

Find the LCM of

6, 45

The LCM of 6 and 45 is 90

200

15/25 = x/5

3

300

Find the GCF

30, 48

The GCF of 30 and 48 is 6

300

Find the GCF

52, 68

The GCF of 52 and 68 is 4

300

Find the LCM of

6, 20

The LCM of 6 and 20 is 60

300

Find the LCM of 10, 12

The LCM of 10 and 12 is 60

300

x/22 = 14/44

7

400

Find the GCF of 48 and 64

The GCF of 48 & 64 is 16

400

Find the GCF

32, 56, 96

The GCF of 32, 56, and 96 is 8

400

Find the LCM of 

15, 20

The LCM of 15 and 20 is 60

400

Find the LCM of

18, 27

The LCM of 18 and 27 is 54

400

5/x = 5/25

5

500

Find the GCF of 42 & 70

The GCF of 42 and 70 is 14

500

Find the GCF

75, 120

The GCF of 75, and 120 is 15

500

Find the LCM of

12, 28

The LCM of 12 and 28 is 84

500

Find the LCM of

10, 28

The LCM of 9, 10, and 28 is 140

500

x/6 = 3/12

20