Adding & Subtracting Fractions Math Worksheets

Five levelled worksheet sets progress from like-denominator to unlike-denominator and mixed-number fraction addition and subtraction, each with a worked answer key and a math-cube station tie-in.
Grades
Grades 4–5
File type
PDF
Preparation
Print ready

Updated Sep 27, 2026

Subject
Fractions, Math
Topic
Adding Fractions, Mixed Numbers
Resource types
Worksheets
Preparation
Print ready
Ontario expectations
B2.5 — Ontario grade 6 mathematics b2.5

From the author

About this resource

This resource is an Adding and Subtracting Fractions Math Worksheet.

There are 5 different versions, each covering a new topic.

These worksheets are great for a quick assessment, to be placed in a math station or small group intervention.

Answer key included.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Add and subtract fractions with like denominators, simplifying the result.

  • Find a common denominator to add or subtract fractions with unlike denominators.

  • Add and subtract mixed numbers.

  • Translate a word problem into the correct fraction addition or subtraction expression.

Teaching tips

  • Sequence the five sets in order -- like denominators, unlike denominators, mixed numbers, then word problems -- since each builds on the prior set's skill.

  • Use the 'Cube Colour' field to run a rotating math-cube station where students complete whichever problem set corresponds to the colour rolled.

  • Use the embedded answer key for quick self-checking or peer grading at each station.

Skills covered

  • Fraction addition/subtraction with like denominators — students add and subtract fractions sharing the same denominator and simplify results.

  • Fraction addition/subtraction with unlike denominators — students find a common denominator before adding or subtracting.

  • Mixed number computation — students add and subtract mixed numbers, converting and simplifying as needed.

  • Word problem translation — students identify the correct fraction operation from a real-world scenario involving measurements and quantities.

Good to know

Questions teachers ask about this resource

What is the 'Cube Colour' field on each answer page for?

It lets a teacher record which coloured face of a companion math cube (or die) a given problem set was assigned to, so the worksheets can be used as a rotating cube-based station activity rather than a single fixed assignment.

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Ontario curriculum

Ontario curriculum expectations

Ontario expectations

  • B2.5 — Ontario Grade 6 Mathematics B2.5: add and subtract fractions with like and unlike denominators, using appropriate tools, in various contexts.

Core concepts

  • Adding fractions

  • Subtracting fractions

  • Like and unlike denominators

  • Mixed numbers

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