Find the Least Common Denominator
Authored by Anthony Clark
Mathematics
5th Grade
CCSS covered
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Use the multiplication sentences in the image to find the 2 fractions with the LCD from the original fractions: \(\frac{1}{2}+\frac{1}{4}\)
Tags
CCSS.5.NF.B.5B
2.
MATCH QUESTION
1 min • 1 pt
Match the following words to their meaning.
Smallest
Denominator
the answer when 2 numbers are multiplied
Common
one of the numbers in a multiplication sentence
Factor
Bottom number of a fraction
Multiple
Same
Least
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the least common denominator of
1/3 and 2/5 and 3/10
30
15
25
100
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator of 6/8 and 4/10?
12
80
8
16
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the lowest common denominator of these fractions: 2/4 and 2/9
7
36
18
147
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator of 1/2 and 3/7?
2
14
7
28
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator of 2/4 and 4/7?
24
7
42
28
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