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Fraction Subtraction - Problem Simplification - Mixed - Two Changed Denominators

Level 1

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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Sub. Problem Simplification - Mixed - Two Changed Denominators

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.

Set up this fraction subtraction problem correctly

213−122\frac{1}{3} - \frac{1}{2}

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Fraction Subtraction - Problem Simplification - Mixed - Two Changed Denominators Worksheet

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Math worksheet on 'Fraction Subtraction - Problem Simplification - Mixed - Two Changed Denominators (Level 1)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Advanced' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_advanced/
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 5 - 1 over 3
a A LaTex expression showing 33 over 15 - 5 over 15
b A LaTex expression showing 7 over 3 - 1 over 3
c A LaTex expression showing 13 over 6 - 2 over 6
d A LaTex expression showing 36 over 15 - 5 over 15
e A LaTex expression showing 33 over 15 - 10 over 15
f A LaTex expression showing 44 over 20 - 5 over 20
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 11 - 1 over 3
a A LaTex expression showing 39 over 33 - 11 over 33
b A LaTex expression showing 4 over 3 - 1 over 3
c A LaTex expression showing 48 over 44 - 11 over 44
d A LaTex expression showing 36 over 33 - 11 over 33
e A LaTex expression showing 36 over 33 - 22 over 33
f A LaTex expression showing 13 over 12 - 4 over 12
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 11 - 1 over 5
a A LaTex expression showing 6 over 5 - 1 over 5
b A LaTex expression showing 65 over 60 - 12 over 60
c A LaTex expression showing 72 over 66 - 11 over 66
d A LaTex expression showing 65 over 55 - 11 over 55
e A LaTex expression showing 60 over 55 - 11 over 55
f A LaTex expression showing 60 over 55 - 22 over 55
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 5 - 1 over 2
a A LaTex expression showing 12 over 10 - 10 over 10
b A LaTex expression showing 12 over 10 - 5 over 10
c A LaTex expression showing 14 over 10 - 5 over 10
d A LaTex expression showing 7 over 6 - 3 over 6
e A LaTex expression showing 18 over 15 - 5 over 15
f A LaTex expression showing 3 over 2 - 1 over 2
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 2 - 1 over 7
a A LaTex expression showing 49 over 21 - 3 over 21
b A LaTex expression showing 35 over 14 - 4 over 14
c A LaTex expression showing 15 over 7 - 1 over 7
d A LaTex expression showing 20 over 8 - 1 over 8
e A LaTex expression showing 35 over 14 - 2 over 14
f A LaTex expression showing 42 over 14 - 2 over 14
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 2 - 1 over 3
a A LaTex expression showing 12 over 6 - 2 over 6
b A LaTex expression showing 9 over 6 - 2 over 6
c A LaTex expression showing 9 over 6 - 4 over 6
d A LaTex expression showing 4 over 3 - 1 over 3
e A LaTex expression showing 6 over 4 - 1 over 4
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 1 over 2
a A LaTex expression showing 7 over 3 - 1 over 3
b A LaTex expression showing 16 over 6 - 3 over 6
c A LaTex expression showing 5 over 2 - 1 over 2
d A LaTex expression showing 14 over 6 - 6 over 6
e A LaTex expression showing 14 over 6 - 3 over 6
f A LaTex expression showing 9 over 4 - 2 over 4