Adding Fractions with Unlike Denominators

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Objective

I can add fractions with different denominators by finding a common denominator and combining the numerators.

Part 1 of 3

Warm-up video

Let's Do Math · 5:44Vetted channel

We don't generate video — this one is by Let's Do Math 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

Explain the first step you need to take when adding fractions with different denominators.

2

If you want to add ⅓ and ¼, what is the common denominator you would use? Show your work.

Part 3 of 3

Exit ticket

Quick comprehension check

Add the fractions ⅖ and ⅓. Show all steps, including finding a common denominator and simplifying your answer if necessary. Add the fractions ¾ and ⅖. 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

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