Least Common Denominator Rational Expression
Authored by Barbara White
Mathematics
4th - 6th Grade
CCSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the least common denominator of 1/9 and 2/3?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of these numbers could NOT be a common denominator for these two fractions?
2/4 and 3/8
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the lowest common denominator of these fractions: 2/7 and 2/21
7
21
18
147
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the least common denominator of 1/5 and 2/10.
10
5
50
15
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the least common denominator of 1/6 and 5/12.
18
12
6
1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the least common denominator of 3/4 and 3/8.
3
4
8
12
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of these numbers could NOT be a common denominator for 1/6 and 5/18?
6
18
36
108
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