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LCM, GCF, Simplified Fractions
Test Description: Review of all topics
Instructions: Answer all questions to get your test result.
1) What is the GCF of 32, 40?
A
4
B
2
C
32
D
8
2) What is the LCM (Least common multiple) of 8, 12?
A
8
B
24
C
36
D
12
3) What is the GCF (greatest common factor) of 20, 30?
A
20
B
30
C
10
D
60
4) What is the least common multiple of 3 and 14?
A
3
B
14
C
42
D
28
5) What is the GCF greatest common factor of 36 and 45?
A
9
B
4
C
45
D
36
6) What is the least common multiple of 20 and 25
A
100
B
200
C
25
D
20
7) What is the greatest common factor of 22 and 44?
A
44
B
22
C
2
D
11
8) What is the least common multiple of 10 and 7
A
7
B
40
C
70
D
10
9) Simplify the fraction 24/32
A
2/3
B
2/4
C
3/4
D
6/8
10) Simplify the fraction 42/48
A
7/8
B
6/8
C
2/8
D
4/5
11) Simplify the fraction 25/60
A
5/25
B
5/10
C
2/35
D
5/12
12) Simplify the fraction 50/56
A
7/8
B
20/50
C
10/16
D
25/28
13) What is the Least Common Multiple of 21 and 35?
A
735
B
105
C
210
D
35
14) What is the Greatest Common Factor of 9 and 24
A
9
B
18
C
3
D
24
15) Simplfy the fraction is 36/63
A
3/6
B
4/8
C
4/7
D
6/9
16) What is the least common multiple for 6, 15
A
30
B
22
C
15
D
90
17) Simplify the fraction 15/20
A
3/5
B
4/5
C
15/20
D
3/4
18) What is the Least Common Multiple for 5, 9, and 15?
A
135
B
675
C
15
D
45
19) What is the Greatest Common Factor (GCF) of 24 and 60?
A
3
B
12
C
4
D
2
20) Simplify the fraction 15/60
A
1/4
B
15/60
C
5/20
D
3/12
*select an answer for all questions
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