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Subtract Fractions — Same Denominator is a free printable Grade 4 maths worksheet on subtracting over a shared denominator, aligned to Common Core standard 4.NF.B.3. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 17 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Subtract Fractions — Same Denominator

4.NF.B.3

NameDate

Work out each answer. Simplify where you can.

1.5/12 − 2/12 =
2.5/10 − 4/10 =
3.8/9 − 2/9 =
4.7/11 − 3/11 =
5.4/7 − 2/7 =
6.10/11 − 3/11 =
7.6/7 − 5/7 =
8.7/12 − 5/12 =
9.4/6 − 3/6 =
10.3/4 − 1/4 =
11.7/10 − 6/10 =
12.3/6 − 2/6 =

LessonPrint · 4.NF.B.3 · Set 17 · free to copy for classroom use

Answer key — Subtract Fractions — Same Denominator

Set 17. Prints on its own sheet.

  1. 1.1/4
  2. 2.1/10
  3. 3.2/3
  4. 4.4/11
  5. 5.2/7
  6. 6.7/11
  7. 7.1/7
  8. 8.1/6
  9. 9.1/6
  10. 10.1/2
  11. 11.1/10
  12. 12.1/6

More practice for 4.NF.B.3

Add and subtract fractions with the same denominator.

Teaching this next? Adding Fractions with Like Denominators is the 50-minute plan for it, with the misconceptions to expect.

All Grade 4 worksheets

Last reviewed 2026-09-05. Aligned to 4.NF.B.3 of the Common Core State Standards for mathematics.