Subtracting Fractions With Unlike Denominators Worksheets

Subtracting fractions with unlike denominators starts the same way as adding: rewrite both fractions with a common denominator.

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Sheet code 71VVIC
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Subtracting Fractions: Unlike Denominators

Score / 16

Subtract. Simplify your answer.

1.13−17=
2.13−14=
3.78−13=
4.45−311=
5.12−13=
6.1011−35=
7.56−12=
8.37−16=
9.34−25=
10.1011−34=
11.58−25=
12.14−19=
13.14−16=
14.45−12=
15.23−12=
16.59−512=
endlessmathsheets.comSheet 71VVIC

Answer keySubtracting Fractions: Unlike Denominators

Subtract. Simplify your answer.

1.13−17=421
2.13−14=112
3.78−13=1324
4.45−311=2955
5.12−13=16
6.1011−35=1755
7.56−12=26=13
8.37−16=1142
9.34−25=720
10.1011−34=744
11.58−25=940
12.14−19=536
13.14−16=112
14.45−12=310
15.23−12=16
16.59−512=536
endlessmathsheets.comSheet 71VVIC

What's on this worksheet

Two proper fractions with different denominators, larger fraction first. Each sheet comes with an answer key on a separate page.

Teaching tips

  • Draw both fractions as bars of the same length to show why the pieces must match.
  • After rewriting, compare the numerators to confirm the first fraction is larger.

How to use this worksheet maker

Press New worksheet for a fresh set of problems, then Print. To save a PDF instead, choose "Save as PDF" in the print window. Every sheet has a short code in the bottom corner. Copy the link to a sheet and you can print exactly the same problems again later, which is handy for retakes and for sharing with other teachers.

Common Core alignment: 5.NF.A.1 (Grade 5).