If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

4th grade

Unit 8: Lesson 5

Adding and subtracting mixed numbers
Math
4th grade
Add and subtract fractions
Adding and subtracting mixed numbers
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice

Add and subtract mixed numbers (no regrouping)

CCSS.Math: 4.NF.B.3, 4.NF.B.3c
Google Classroom

Problem

Add.
7, start fraction, 1, divided by, 12, end fraction, plus, 4, start fraction, 9, divided by, 12, end fraction, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
Stuck?
Stuck?