
Least Common Multiples and Least Common Denominator
Authored by Anthony Clark
Mathematics
6th Grade
GCF and LCM covered

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the least common denominator of 1/6 and 5/12.
18
12
6
1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator of 1/9 and 2/3?
6
3
9
21
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these numbers could NOT be a common denominator for these two fractions?
2/4 and 3/8
32
12
8
24
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the lowest common denominator of these fractions: 2/7 and 2/21
7
21
18
147
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common multiple (LCM) of 6 and 8?
6
8
48
24
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The smallest positive number that is a multiple of two or more numbers is the ________.
Greatest Common Multiple
Largest Common Multiple
Least Common Multiple
Simplest Common Multiple
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common multiple (LCM) of 3 and 20?
60
40
20
3
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