HomePricing

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.

View Unit

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

115−121\frac{1}{5} - \frac{1}{2}

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

Mobius Math Club logo
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 11 over 5 - 1 over 2
a A LaTex expression showing 18 over 15 - 5 over 15
b A LaTex expression showing 3 over 2 - 1 over 2
c A LaTex expression showing 12 over 10 - 5 over 10
d A LaTex expression showing 12 over 10 - 10 over 10
e A LaTex expression showing 14 over 10 - 5 over 10
f A LaTex expression showing 7 over 6 - 3 over 6
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 3 - 1 over 2
a A LaTex expression showing 13 over 4 - 2 over 4
b A LaTex expression showing 20 over 6 - 6 over 6
c A LaTex expression showing 22 over 6 - 3 over 6
d A LaTex expression showing 7 over 2 - 1 over 2
e A LaTex expression showing 20 over 6 - 3 over 6
f A LaTex expression showing 10 over 3 - 1 over 3
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 11 - 1 over 3
a A LaTex expression showing 69 over 33 - 22 over 33
b A LaTex expression showing 72 over 33 - 11 over 33
c A LaTex expression showing 25 over 12 - 4 over 12
d A LaTex expression showing 7 over 3 - 1 over 3
e A LaTex expression showing 69 over 33 - 11 over 33
f A LaTex expression showing 92 over 44 - 11 over 44
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 1 over 5
a A LaTex expression showing 35 over 15 - 6 over 15
b A LaTex expression showing 14 over 6 - 1 over 6
c A LaTex expression showing 40 over 15 - 3 over 15
d A LaTex expression showing 45 over 20 - 4 over 20
e A LaTex expression showing 11 over 5 - 1 over 5
f A LaTex expression showing 35 over 15 - 3 over 15
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 31 over 7 - 1 over 2
a A LaTex expression showing 44 over 14 - 7 over 14
b A LaTex expression showing 25 over 8 - 4 over 8
c A LaTex expression showing 46 over 14 - 7 over 14
d A LaTex expression showing 66 over 21 - 7 over 21
e A LaTex expression showing 44 over 14 - 14 over 14
f A LaTex expression showing 7 over 2 - 1 over 2
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 11 over 2 - 1 over 11
a A LaTex expression showing 44 over 33 - 3 over 33
b A LaTex expression showing 33 over 22 - 2 over 22
c A LaTex expression showing 44 over 22 - 2 over 22
d A LaTex expression showing 33 over 22 - 4 over 22
e A LaTex expression showing 12 over 11 - 1 over 11
f A LaTex expression showing 18 over 12 - 1 over 12
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 21 over 3 - 1 over 2
a A LaTex expression showing 9 over 4 - 2 over 4
b A LaTex expression showing 7 over 3 - 1 over 3
c A LaTex expression showing 14 over 6 - 6 over 6
d A LaTex expression showing 5 over 2 - 1 over 2
e A LaTex expression showing 14 over 6 - 3 over 6
f A LaTex expression showing 16 over 6 - 3 over 6