Adding Mixed Numbers Worksheets

Adding mixed numbers with like denominators: add the whole numbers, add the fractions, then regroup if the fraction part is 1 or more.

Customize
Sheet code 6F3DE9
NameDate

Adding Mixed Numbers

Score / 16

Add. Write your answer in simplest form.

1.315+745=
2.4811+5111=
3.5710+6310=
4.615+515=
5.223+923=
6.245+335=
7.612+412=
8.513+913=
9.845+325=
10.415+235=
11.258+528=
12.5511+6711=
13.5911+2411=
14.8811+5611=
15.335+825=
16.1212+61012=
endlessmathsheets.comSheet 6F3DE9

Answer keyAdding Mixed Numbers

Add. Write your answer in simplest form.

1.315+745=11
2.4811+5111=9911
3.5710+6310=12
4.615+515=1125
5.223+923=1213
6.245+335=625
7.612+412=11
8.513+913=1423
9.845+325=1215
10.415+235=645
11.258+528=778
12.5511+6711=12111
13.5911+2411=8211
14.8811+5611=14311
15.335+825=12
16.1212+61012=8
endlessmathsheets.comSheet 6F3DE9

What's on this worksheet

Two mixed numbers with the same denominator. Answers are simplified mixed numbers. Each sheet comes with an answer key on a separate page.

Teaching tips

  • For 2 5/6 + 1 4/6, the fractions make 9/6 = 1 3/6, so the total is 4 3/6 = 4 1/2.
  • Another method is to change both numbers to improper fractions first. Let students choose.

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: 4.NF.B.3.c (Grades 4–5).