Fraction Subtraction - Problem Simplification - Mixed - One Changed Denominator (Level 3)

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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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

335−213153\frac{3}{5} - 2\frac{13}{15}

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 5 - 213 over 15
a A LaTex expression showing 57 over 15 - 43 over 15
b A LaTex expression showing 54 over 15 - 44 over 15
c A LaTex expression showing 48 over 15 - 43 over 15
d A LaTex expression showing 105 over 30 - 86 over 30
e A LaTex expression showing 54 over 15 - 43 over 15
f A LaTex expression showing 288 over 80 - 225 over 80
2
Set up this fraction subtraction problem correctly
A LaTex expression showing 32 over 3 - 24 over 9
a A LaTex expression showing 29 over 9 - 22 over 9
b A LaTex expression showing 36 over 9 - 22 over 9
c A LaTex expression showing 33 over 9 - 22 over 9
d A LaTex expression showing 33 over 9 - 23 over 9
e A LaTex expression showing 110 over 30 - 72 over 30
f A LaTex expression showing 126 over 36 - 88 over 36
3
Set up this fraction subtraction problem correctly
A LaTex expression showing 22 over 3 - 15 over 9
a A LaTex expression showing 80 over 30 - 45 over 30
b A LaTex expression showing 90 over 36 - 56 over 36
c A LaTex expression showing 24 over 9 - 15 over 9
d A LaTex expression showing 24 over 9 - 14 over 9
e A LaTex expression showing 20 over 9 - 14 over 9
f A LaTex expression showing 27 over 9 - 14 over 9
4
Set up this fraction subtraction problem correctly
A LaTex expression showing 23 over 7 - 18 over 21
a A LaTex expression showing 399 over 168 - 144 over 168
b A LaTex expression showing 54 over 21 - 18 over 21
c A LaTex expression showing 374 over 154 - 126 over 154
d A LaTex expression showing 51 over 21 - 19 over 21
e A LaTex expression showing 45 over 21 - 18 over 21
f A LaTex expression showing 51 over 21 - 18 over 21
5
Set up this fraction subtraction problem correctly
A LaTex expression showing 22 over 5 - 17 over 10
a A LaTex expression showing 22 over 10 - 17 over 10
b A LaTex expression showing 24 over 10 - 18 over 10
c A LaTex expression showing 24 over 10 - 17 over 10
d A LaTex expression showing 132 over 55 - 90 over 55
e A LaTex expression showing 70 over 30 - 51 over 30
f A LaTex expression showing 26 over 10 - 17 over 10
6
Set up this fraction subtraction problem correctly
A LaTex expression showing 12 over 3 - 2 over 9
a A LaTex expression showing 50 over 30 - 6 over 30
b A LaTex expression showing 18 over 9 - 2 over 9
c A LaTex expression showing 15 over 9 - 2 over 9
d A LaTex expression showing 54 over 36 - 8 over 36
e A LaTex expression showing 15 over 9 - 3 over 9
f A LaTex expression showing 11 over 9 - 2 over 9
7
Set up this fraction subtraction problem correctly
A LaTex expression showing 13 over 5 - 8 over 15
a A LaTex expression showing 45 over 30 - 16 over 30
b A LaTex expression showing 18 over 15 - 8 over 15
c A LaTex expression showing 24 over 15 - 8 over 15
d A LaTex expression showing 27 over 15 - 8 over 15
e A LaTex expression showing 24 over 15 - 9 over 15
f A LaTex expression showing 128 over 80 - 40 over 80