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