Computation
Fractions
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
100

Add: 385 + 637 = ?

1,022

100

Give an equivalent fraction for 3/4.

Possible answers (there could be others) 6/8; 9/12; 12/15; 15/18; etc.

100

What is the Greatest Common Factor (GCF) of 60 and 30?

30

100
What is the Least Common Multiple of 6 and 10?
60
200

Subtract: 8,014 - 3,916 = ?

4,098

200

Simplify the fraction 18/27.

2/3

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: 27 x 8 = ?

216

300

Simplify the fraction 35/40.

7/8

300
What is the Greatest Common Factor (GCF) of 44 and 33?
11
300
What is the Least Common Multiple of 6 and 8?
24
400

Multiply: 52 x 39 = ?

2,028

400
Give an equivalent fraction for 2/5.
Possible answers (there could be others) 4/10; 6/15; 8/20; 10/25; 12/30; etc.
400
What is the Greatest Common Factor (GCF) of 45 and 63?
9
400
What is the Least Common Multiple of 2,3 and 5?
30
500

Divide: 168 รท 12 = ?

14

500

Multiply these fractions and then simplify: 3/4 x 2/5 = ?

3/10

500
What is the Greatest Common Factor (GCF) of 48 and 64?
16
500
What is the Least Common Multiple of 2,3, and 9?
18