Allday Education

Free Adding Fractions Worksheet

Ten fraction addition problems with unlike denominators, plus an answer key with every sum in simplest form.

Answer key included
Name: Date:
Adding Fractions
1.
12+910\frac{1}{2} + \frac{9}{10}
2.
14+45\frac{1}{4} + \frac{4}{5}
3.
14+35\frac{1}{4} + \frac{3}{5}
4.
15+12\frac{1}{5} + \frac{1}{2}
5.
13+15\frac{1}{3} + \frac{1}{5}
6.
27+45\frac{2}{7} + \frac{4}{5}
7.
12+23\frac{1}{2} + \frac{2}{3}
8.
34+12\frac{3}{4} + \frac{1}{2}
9.
13+19\frac{1}{3} + \frac{1}{9}
10.
13+110\frac{1}{3} + \frac{1}{10}
Andy · alldayeverydaymath.com
Name: Answer KeyDate:
Adding Fractions
1.
12+910\frac{1}{2} + \frac{9}{10}
Answer: 75\frac{7}{5}
2.
14+45\frac{1}{4} + \frac{4}{5}
Answer: 2120\frac{21}{20}
3.
14+35\frac{1}{4} + \frac{3}{5}
Answer: 1720\frac{17}{20}
4.
15+12\frac{1}{5} + \frac{1}{2}
Answer: 710\frac{7}{10}
5.
13+15\frac{1}{3} + \frac{1}{5}
Answer: 815\frac{8}{15}
6.
27+45\frac{2}{7} + \frac{4}{5}
Answer: 3835\frac{38}{35}
7.
12+23\frac{1}{2} + \frac{2}{3}
Answer: 76\frac{7}{6}
8.
34+12\frac{3}{4} + \frac{1}{2}
Answer: 54\frac{5}{4}
9.
13+19\frac{1}{3} + \frac{1}{9}
Answer: 49\frac{4}{9}
10.
13+110\frac{1}{3} + \frac{1}{10}
Answer: 1330\frac{13}{30}
Andy · alldayeverydaymath.com

Scroll to see all 10 problems and the answer key on its own page. Printing includes every page.

About this worksheet

Students find a common denominator, add, and simplify. The generator builds each problem from a known reduced answer, so the key is exact and every problem simplifies cleanly — no ugly leftovers that make students think they went wrong when they didn't.

Students shaky on the skill itself? Send them to the free lesson: Adding Fractions — explained step by step.

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