Adding Fractions with Unlike Denominators

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Objective

I can add two fractions with unlike denominators by converting them to have a common denominator before adding.

Part 1 of 3

Warm-up video

mathantics · 5:07Vetted channel

We don't generate video — this one is by mathantics 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 what it means for fractions to have unlike denominators and provide an example of two fractions that have unlike denominators.

2

Describe the process of finding a common denominator for two fractions. What is the first step you should take?

Part 3 of 3

Exit ticket

Quick comprehension check

Add the fractions ⅗ and ¼ by finding a common denominator. Show all your work, including the equivalent fractions. Add the fractions ⅖ and ⅗ by finding a common denominator. Show all your work, including the equivalent fractions.

Sample answer included in the free materials

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

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