This math topic focuses on practicing how to find the lowest common denominator to compare fractions. Each problem presents different pairs of fractions, and the task is to identify the best common denominator to facilitate comparison. This is a foundational skill in understanding and managing fractions, particularly in simplifying and comparing them. The exercise is designed for learners to recognize and apply the principles of finding common denominators effectively.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Fraction Comparison - Find Common Denominator - Mixed - One Changed Denominator Worksheet

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Fraction Comparison - Find Common Denominator - Mixed - One Changed Denominator
1
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 7 over 2 \;\; \bigcirc \;\;35 over 6
a
11
b
13
c
14
d
10
e
6
f
9
2
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 7 over 3 \;\; \bigcirc \;\;28 over 9
a
7
b
6
c
9
d
8
e
13
f
14
3
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 11 over 2 \;\; \bigcirc \;\;11 over 6
a
6
b
8
c
15
d
5
e
13
f
1
4
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 10 over 3 \;\; \bigcirc \;\;36 over 9
a
3
b
9
c
2
d
1
e
4
f
17
5
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 3 over 2 \;\; \bigcirc \;\;13 over 4
a
3
b
2
c
8
d
4
e
11
f
7
6
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 11 over 5 \;\; \bigcirc \;\;16 over 10
a
18
b
15
c
7
d
17
e
10
f
5
7
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 5 over 2 \;\; \bigcirc \;\;25 over 6
a
14
b
11
c
13
d
1
e
15
f
6
8
What lowest common denominator would you use to compare these fractions?
A LaTex expression showing 18 over 5 \;\; \bigcirc \;\;31 over 15
a
19
b
24
c
14
d
21
e
15
f
17