Computation
Fractions
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
100
Add carefully! 385 + 637 = ?
1,022
100

Give the improper fraction for 4 3/4.

19/4

100

What is the Greatest Common Factor (GCF) of 18 and 27?

9

100

What is the Least Common Multiple of 2 and 10?

10

200
Subtract carefully! 8,014 - 3,916 = ?
4,098
200

Solve the addition problem. 1/4 + 2/3

11/12

200

What is the Greatest Common Factor (GCF) of 20 and 35?

5

200

What is the Least Common Multiple of 20 and 4?

20

300
Multiply carefully! 27 x 8 = ?
216
300

Solve the subtraction problem. 3/4 - 2/3

1/12

300
What is the Greatest Common Factor (GCF) of 44 and 33?
11
300

What is the Least Common Multiple of 5 and 7?

35

400
Multiply carefully! 52 x 39 = ?
2,028
400

Give the mixed number to the improper fraction 80/11.

7 3/11

400
What is the Greatest Common Factor (GCF) of 45 and 63?
9
400

What is the Least Common Multiple of 2,3 and 4?

12

500
Divide carefully! 168 ÷ 12 = ?
14
500

Multiply these fractions carefully! 3/4 x 2/5 = ?

6/20

500

What is the Greatest Common Factor (GCF) of 16 and 12?

4

500

What is the Least Common Multiple of 3,6, and 9?

18

500
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