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