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Fraction Subtraction - Problem Simplification - Basic - One Changed Denominator (Level 1)

This math topic focuses on the practice of Fraction Subtraction and Problem Simplification. It starts at a basic level, tackling instances where one denominator changes during the subtraction process. Through various problem sets, learners are required to set up fraction subtraction problems correctly, demonstrating an understanding of how to equalize denominators before subtraction. This serves as a precursor to the broader unit on 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 - Basic - One Changed Denominator

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


Set up this fraction subtraction problem correctly

12−16\frac{1}{2} - \frac{1}{6}

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

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Math worksheet on 'Fraction Subtraction - Problem Simplification - Basic - One Changed Denominator (Level 1)'. Part of a broader unit on 'Fraction Addition and Subtraction - Intro' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_intro/
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 2 - 1 over 4
a A LaTex expression showing 4 over 12 - 3 over 12
b A LaTex expression showing 5 over 10 - 2 over 10
c A LaTex expression showing 2 over 4 - 2 over 4
d A LaTex expression showing 2 over 4 - 1 over 4
e A LaTex expression showing 1 over 4 - 1 over 4
f A LaTex expression showing 4 over 4 - 1 over 4
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 5 - 1 over 15
a A LaTex expression showing 6 over 15 - 1 over 15
b A LaTex expression showing 5 over 30 - 2 over 30
c A LaTex expression showing 1 over 15 - 1 over 15
d A LaTex expression showing 16 over 80 - 5 over 80
e A LaTex expression showing 3 over 15 - 2 over 15
f A LaTex expression showing 3 over 15 - 1 over 15
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 3 - 1 over 6
a A LaTex expression showing 2 over 6 - 2 over 6
b A LaTex expression showing 7 over 21 - 3 over 21
c A LaTex expression showing 4 over 6 - 1 over 6
d A LaTex expression showing 2 over 6 - 1 over 6
e A LaTex expression showing 3 over 12 - 2 over 12
f A LaTex expression showing 1 over 6 - 1 over 6
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 3 - 1 over 9
a A LaTex expression showing 3 over 9 - 2 over 9
b A LaTex expression showing 3 over 9 - 1 over 9
c A LaTex expression showing 9 over 36 - 4 over 36
d A LaTex expression showing 10 over 30 - 3 over 30
e A LaTex expression showing 6 over 9 - 1 over 9
f A LaTex expression showing 1 over 9 - 1 over 9
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 5 - 1 over 10
a A LaTex expression showing 1 over 10 - 1 over 10
b A LaTex expression showing 2 over 10 - 1 over 10
c A LaTex expression showing 4 over 10 - 1 over 10
d A LaTex expression showing 2 over 10 - 2 over 10
e A LaTex expression showing 11 over 55 - 5 over 55
f A LaTex expression showing 5 over 30 - 3 over 30
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 1 over 2 - 1 over 6
a A LaTex expression showing 1 over 6 - 1 over 6
b A LaTex expression showing 3 over 6 - 1 over 6
c A LaTex expression showing 3 over 6 - 2 over 6
d A LaTex expression showing 6 over 6 - 1 over 6
e A LaTex expression showing 2 over 6 - 1 over 6
f A LaTex expression showing 7 over 14 - 2 over 14