Fractions · Grades 4 to 6

Adding and subtracting fractions worksheet generator

This generator makes adding and subtracting fractions worksheets with like denominators, unlike denominators, or both. The answer key gives each result in simplest form.

Adding and subtracting fractionsLetter 8.5 × 11 in · answer key on the last page

Adding and subtracting fractions

NameDate

Add or subtract. Write each answer in simplest form.

1.17 − 18 =
2.18 + 35 =
3.23 − 13 =
4.14 + 34 =
5.34 − 12 =
6.13 + 23 =
7.211 + 12 =
8.27 + 25 =
9.14 + 24 =
10.89 − 23 =
11.45 + 25 =
12.911 − 711 =
13.25 + 15 =
14.111 + 512 =
15.711 − 37 =
16.35 + 25 =
17.59 − 14 =
18.12 − 16 =
19.22 − 12 =
20.57 − 23 =

Adding and subtracting fractions

Answer key

1.17 − 18 =156
2.18 + 35 =2940
3.23 − 13 =13
4.14 + 34 =1
5.34 − 12 =14
6.13 + 23 =1
7.211 + 12 =1522
8.27 + 25 =2435
9.14 + 24 =34
10.89 − 23 =29
11.45 + 25 =115
12.911 − 711 =211
13.25 + 15 =35
14.111 + 512 =67132
15.711 − 37 =1677
16.35 + 25 =1
17.59 − 14 =1136
18.12 − 16 =13
19.22 − 12 =12
20.57 − 23 =121

PagesFit to widthPrints at 100%

About this worksheet

With like denominators, add or subtract the numerators and keep the denominator. With unlike denominators, rewrite both fractions over a common denominator first, usually the least common multiple.

Teaching tip

Start with like denominators even for older students. It confirms they know why the denominator stays the same.

How to use the generator

Change the settings and the sheet updates as you go. New worksheet gives a fresh set of problems with a new answer key. Print or save PDF opens your browser's print window: pick Letter paper and 100% scale, or Save as PDF to keep a copy.