Patterns
Fractions
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
Multiplication
100

5, 20, ___, 320;

80

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
100

23x54

1,242

200

50, 25, ____, 6.25

12.5

200
Reduce teh fraction 18/27 to its simplest form.
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
200

345 x 749

258,405

300

2, _____, 1,800, 54,000

60

300
Reduce the fraction 35/40 to its simplest form.
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
300

456 x 121

51,546

400

1,800, 450, 112.5, _____

28.125

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
400

456x928

423,168

500

135.5, _____, 5.42, 1.804

27.1

500
Multiply these fractions carefully! be sure to give your answer in simplet form. 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
500

1,295 x 5,302

6,866,090

M
e
n
u
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500