Greatest Common Factor
Adding/Subtracting Decimals
Dividing Decimals
Multiplying Decimals
Least Common Multiple
100

Find the greatest common factor of 12 and 18

6

100

Add these decimals: 0.195+1.06

1.255

100

Divide these decimals: 30.9 ÷ 3

10.3

100

Multiply these decimals: 0.12 x 7

0.84

100

What is the least common multiple of 3 and 5

15

200

Find the GCF of 15 and 25.

5

200

Add these decimals: 1.82+0.013

1.833

200

Divide these decimals: 60.5 ÷ 5

12.1

200

Multiply 4.4 x 5.3 

23.32

200

What is the least common multiple of 4 and 6?

12

300

Find the greatest common factor of 36 and 42

6

300

Subtract these decimals: 57.1-3.72

53.38

300

Divide these decimals: 1.272 ÷ 6

0.212

300

Multiply these decimals: 1.83 x 0.3 

0.549

300

What is the least common multiple of 5 and 10?

10

400

What is the greatest common factor of 35 and 63?

7

400

Subtract these decimals: 547.6-3.124

544.476

400

Divide these decimals: 3.12 ÷ 1.5

2.08

400

Multiply these decimals.  12.7 x 2.6 

33.02

400

What is the least common multiple of 7 and 9?

63

500

Find the Greatest Common Factor of 48 and 20

4

500

Add these decimals: 45.7+0.173

45.873

500

Divide these decimals: 79.23 ÷  0.23

344.478

500

Multiply these decimals: 1.246 x 3.4 

4.2364

500

What is the lcm of 5 and 12

60