Adding Fractions with Unlike Denominators

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Objective

I can accurately add two or more fractions with different denominators and simplify the result when necessary.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

What is the first step you should take when adding two fractions with different denominators?

2

Find the least common multiple of 8 and 10. What would be the common denominator if you were to add 3/8 and 2/10?

Part 3 of 3

Exit ticket

Quick comprehension check

Add 2/3 and 1/4. Show all steps, including finding a common denominator and simplifying your answer if necessary. Add 5/8 and 3/10. Show all steps, including finding a common denominator and simplifying your answer if necessary.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

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