This math topic focuses on the subtraction of fractions with simplification where only one denominator needs to be changed. It's part of a broader series on mixed fraction addition and subtraction. Learners practice setting up fraction subtraction problems correctly, involving both improper fractions and mixed numbers, by adjusting to a common denominator. The problems require both numerical skills and conceptual understanding to find the correct equivalent fractions before performing the subtraction. Additionally, various options are provided as possible answers, testing the learner's ability to simplify and verify their answers effectively.

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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Math worksheet on 'Fraction Subtraction - Problem Simplification - Mixed - One Changed Denominator (Level 3)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Practice' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_practice/
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 33 over 7 - 11 over 21
a A LaTex expression showing 567 over 168 - 88 over 168
b A LaTex expression showing 72 over 21 - 11 over 21
c A LaTex expression showing 72 over 21 - 12 over 21
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 36 over 7 - 9 over 14
a A LaTex expression showing 405 over 105 - 63 over 105
b A LaTex expression showing 54 over 14 - 9 over 14
c A LaTex expression showing 210 over 56 - 36 over 56
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 34 over 5 - 111 over 15
a A LaTex expression showing 49 over 15 - 26 over 15
b A LaTex expression showing 304 over 80 - 135 over 80
c A LaTex expression showing 57 over 15 - 26 over 15
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 32 over 3 - 14 over 9
a A LaTex expression showing 33 over 9 - 14 over 9
b A LaTex expression showing 33 over 9 - 13 over 9
c A LaTex expression showing 110 over 30 - 42 over 30
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 32 over 7 - 3 over 14
a A LaTex expression showing 46 over 14 - 3 over 14
b A LaTex expression showing 48 over 14 - 3 over 14
c A LaTex expression showing 44 over 14 - 3 over 14
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 22 over 3 - 13 over 9
a A LaTex expression showing 24 over 9 - 13 over 9
b A LaTex expression showing 24 over 9 - 12 over 9
c A LaTex expression showing 27 over 9 - 12 over 9
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 13 over 5 - 4 over 15
a A LaTex expression showing 24 over 15 - 4 over 15
b A LaTex expression showing 128 over 80 - 20 over 80
c A LaTex expression showing 27 over 15 - 4 over 15
Fraction Subtraction - Problem Simplification - Mixed - One Changed Denominator (Level 3) - Mobius Math