Lesson Plan: Subtracting Fractions with Unlike Denominators Mathematics • 5th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to subtract two proper fractions with different denominators by finding a common denominator.


Students will be able to

  • represent subtraction of fractions using models including bar models,
  • subtract unit fractions with different denominators,
  • subtract proper fractions with different denominators.


Students should already be familiar with

  • finding common denominators of fractions using multiplication and division up to 12×12.


Students will not cover

  • finding least common multiples using prime factors.

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.