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

6th grade

Course: 6th grade > Unit 6

Lesson 10: Least common multiple
Math
6th grade
Variables & expressions
Least common multiple
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice

Least common multiple

CCSS.Math: 6.NS.B.4
Google Classroom

Problem

What is the least common multiple of 4 and 5?
start text, l, c, m, end text, left parenthesis, 4, comma, 5, right parenthesis, 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?