This math topic focuses on simplifying fraction subtraction with one denominator that needs to be changed. The objective is to correctly set up a variety of fraction subtraction problems which require the adjustment of one denominator so that the fractions can be subtracted. This involves understanding and applying the concept of equivalent fractions. This subject is part of a broader unit exploring the introduction of fraction addition and subtraction.

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

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Fraction Subtraction - Problem Simplification - Basic - One Changed Denominator Worksheet

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Fraction Subtraction - Problem Simplification - Basic - One Changed Denominator
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 3 over 5 - 1 over 10
a A LaTex expression showing 3 over 10 - 1 over 10
b A LaTex expression showing 6 over 10 - 1 over 10
c A LaTex expression showing 8 over 10 - 1 over 10
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 2 - 2 over 4
a A LaTex expression showing 2 over 4 - 2 over 4
b A LaTex expression showing 5 over 10 - 4 over 10
c A LaTex expression showing 1 over 4 - 2 over 4
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 3 - 2 over 6
a A LaTex expression showing 2 over 6 - 2 over 6
b A LaTex expression showing 4 over 6 - 2 over 6
c A LaTex expression showing 1 over 6 - 2 over 6
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 6 over 7 - 1 over 14
a A LaTex expression showing 12 over 14 - 2 over 14
b A LaTex expression showing 14 over 14 - 1 over 14
c A LaTex expression showing 12 over 14 - 1 over 14
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 5 - 2 over 15
a A LaTex expression showing 5 over 30 - 4 over 30
b A LaTex expression showing 3 over 15 - 2 over 15
c A LaTex expression showing 16 over 80 - 10 over 80
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 2 - 2 over 6
a A LaTex expression showing 3 over 6 - 2 over 6
b A LaTex expression showing 3 over 6 - 3 over 6
c A LaTex expression showing 2 over 6 - 2 over 6
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 2 over 3 - 1 over 6
a A LaTex expression showing 6 over 6 - 1 over 6
b A LaTex expression showing 4 over 6 - 1 over 6
c A LaTex expression showing 2 over 6 - 1 over 6
8
Set up this fraction subtraction problem correctly
A LaTex expression showing 4 over 7 - 1 over 14
a A LaTex expression showing 4 over 14 - 1 over 14
b A LaTex expression showing 8 over 14 - 1 over 14
c A LaTex expression showing 10 over 14 - 1 over 14