This math topic focuses on advanced fraction subtraction involving mixed numbers and changing denominators. It challenges learners to correctly set up and simplify fraction subtraction problems that require aligning denominators before performing the subtraction. Each question provides multiple answer choices with different denominator adjustments, emphasizing the importance of finding a common denominator to simplify the problem correctly. This set of problems is part of a broader unit on mixed advanced 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 - Mixed - Two Changed Denominators Worksheet

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Fraction Subtraction - Problem Simplification - Mixed - Two Changed Denominators
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 5 - 1 over 2
a A LaTex expression showing 32 over 10 - 5 over 10
b A LaTex expression showing 48 over 15 - 5 over 15
c A LaTex expression showing 19 over 6 - 3 over 6
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 11 - 1 over 3
a A LaTex expression showing 13 over 12 - 4 over 12
b A LaTex expression showing 36 over 33 - 22 over 33
c A LaTex expression showing 36 over 33 - 11 over 33
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 5 - 1 over 3
a A LaTex expression showing 18 over 15 - 10 over 15
b A LaTex expression showing 18 over 15 - 5 over 15
c A LaTex expression showing 21 over 15 - 5 over 15
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 3 - 1 over 2
a A LaTex expression showing 20 over 6 - 3 over 6
b A LaTex expression showing 22 over 6 - 3 over 6
c A LaTex expression showing 20 over 6 - 6 over 6
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 2 - 1 over 7
a A LaTex expression showing 21 over 14 - 4 over 14
b A LaTex expression showing 12 over 8 - 1 over 8
c A LaTex expression showing 21 over 14 - 2 over 14
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 7 - 1 over 11
a A LaTex expression showing 165 over 77 - 7 over 77
b A LaTex expression showing 187 over 88 - 8 over 88
c A LaTex expression showing 176 over 77 - 7 over 77
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 3 - 1 over 5
a A LaTex expression showing 50 over 15 - 3 over 15
b A LaTex expression showing 55 over 15 - 3 over 15
c A LaTex expression showing 16 over 5 - 1 over 5
8
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 1 over 11
a A LaTex expression showing 77 over 33 - 6 over 33
b A LaTex expression showing 23 over 11 - 1 over 11
c A LaTex expression showing 77 over 33 - 3 over 33