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

This math topic involves practicing fraction subtraction with problem simplification, specifically focusing on scenarios where one of the denominators is altered. The problems are presented in a mixed format with an introductory level of complexity and aim to familiarize students with proper setup techniques for fraction subtraction by altering denominators to create equivalent fractions. This enables straightforward fraction subtraction, illustrating a foundational skill in handling fractions effectively. The material is part of a 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 - Mixed - 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

213−192\frac{1}{3} - \frac{1}{9}

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 1)'. Part of a broader unit on 'Fraction Addition and Subtraction, Mixed - Intro' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_mixed_intro/
1
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 2 - 1 over 6
a A LaTex expression showing 15 over 6 - 2 over 6
b A LaTex expression showing 18 over 6 - 1 over 6
c A LaTex expression showing 35 over 14 - 2 over 14
d A LaTex expression showing 13 over 6 - 1 over 6
e A LaTex expression showing 14 over 6 - 1 over 6
f A LaTex expression showing 15 over 6 - 1 over 6
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 1 over 6
a A LaTex expression showing 49 over 21 - 3 over 21
b A LaTex expression showing 16 over 6 - 1 over 6
c A LaTex expression showing 13 over 6 - 1 over 6
d A LaTex expression showing 27 over 12 - 2 over 12
e A LaTex expression showing 14 over 6 - 1 over 6
f A LaTex expression showing 14 over 6 - 2 over 6
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 2 - 1 over 4
a A LaTex expression showing 14 over 4 - 1 over 4
b A LaTex expression showing 16 over 4 - 1 over 4
c A LaTex expression showing 14 over 4 - 2 over 4
d A LaTex expression showing 13 over 4 - 1 over 4
e A LaTex expression showing 40 over 12 - 3 over 12
f A LaTex expression showing 35 over 10 - 2 over 10
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 3 - 1 over 9
a A LaTex expression showing 40 over 30 - 3 over 30
b A LaTex expression showing 15 over 9 - 1 over 9
c A LaTex expression showing 12 over 9 - 2 over 9
d A LaTex expression showing 12 over 9 - 1 over 9
e A LaTex expression showing 10 over 9 - 1 over 9
f A LaTex expression showing 45 over 36 - 4 over 36
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 2 - 1 over 4
a A LaTex expression showing 28 over 12 - 3 over 12
b A LaTex expression showing 10 over 4 - 1 over 4
c A LaTex expression showing 10 over 4 - 2 over 4
d A LaTex expression showing 25 over 10 - 2 over 10
e A LaTex expression showing 9 over 4 - 1 over 4
f A LaTex expression showing 12 over 4 - 1 over 4
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 3 - 1 over 9
a A LaTex expression showing 28 over 9 - 1 over 9
b A LaTex expression showing 30 over 9 - 1 over 9
c A LaTex expression showing 117 over 36 - 4 over 36
d A LaTex expression showing 30 over 9 - 2 over 9
e A LaTex expression showing 100 over 30 - 3 over 30
f A LaTex expression showing 33 over 9 - 1 over 9
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 2 - 1 over 4
a A LaTex expression showing 6 over 4 - 2 over 4
b A LaTex expression showing 6 over 4 - 1 over 4
c A LaTex expression showing 8 over 4 - 1 over 4
d A LaTex expression showing 15 over 10 - 2 over 10
e A LaTex expression showing 5 over 4 - 1 over 4
f A LaTex expression showing 16 over 12 - 3 over 12