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