This math topic focuses on fraction subtraction, particularly emphasizing the simplification of mixed fractions with one changed denominator. It targets setting up subtraction problems correctly by adjusting fractions to have common denominators before performing the subtraction. Each question involves converting mixed fractions to improper fractions and finding a common denominator to simplify the problem. The topic is organized progressively with escalating complexity, aimed at mastering the introductory aspects of adding and subtracting mixed fractions.

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

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

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Fraction Subtraction - Problem Simplification - Mixed - One Changed Denominator
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 3 - 4 over 6
a A LaTex expression showing 15 over 12 - 8 over 12
b A LaTex expression showing 28 over 21 - 12 over 21
c A LaTex expression showing 8 over 6 - 4 over 6
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 2 - 4 over 6
a A LaTex expression showing 35 over 14 - 8 over 14
b A LaTex expression showing 15 over 6 - 4 over 6
c A LaTex expression showing 14 over 6 - 4 over 6
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 11 over 6
a A LaTex expression showing 27 over 12 - 14 over 12
b A LaTex expression showing 14 over 6 - 7 over 6
c A LaTex expression showing 49 over 21 - 24 over 21
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 14 over 6
a A LaTex expression showing 14 over 6 - 10 over 6
b A LaTex expression showing 27 over 12 - 20 over 12
c A LaTex expression showing 16 over 6 - 10 over 6
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 7 - 16 over 21
a A LaTex expression showing 22 over 21 - 16 over 21
b A LaTex expression showing 24 over 21 - 16 over 21
c A LaTex expression showing 189 over 168 - 128 over 168
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 3 - 3 over 6
a A LaTex expression showing 15 over 12 - 6 over 12
b A LaTex expression showing 8 over 6 - 3 over 6
c A LaTex expression showing 10 over 6 - 3 over 6
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 3 - 7 over 9
a A LaTex expression showing 12 over 9 - 8 over 9
b A LaTex expression showing 12 over 9 - 7 over 9
c A LaTex expression showing 45 over 36 - 28 over 36
8
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 12 over 6
a A LaTex expression showing 14 over 6 - 9 over 6
b A LaTex expression showing 14 over 6 - 8 over 6
c A LaTex expression showing 49 over 21 - 27 over 21