Adding Fractions with Unlike Denominators

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Objective

I can add fractions with unlike denominators by rewriting them with a common denominator.

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 in your own words why we need to find a common denominator before adding fractions with different denominators.

2

What does it mean for two fractions to be "equivalent"? Give an example of two equivalent fractions.

Part 3 of 3

Exit ticket

Quick comprehension check

Add the fractions ²/₇ + ¹/₃. Show your work by rewriting the fractions with a common denominator and then adding. Add the fractions ³/₄ + ¹/₅. Show your work by rewriting the fractions with a common denominator and then adding.

Sample answer included in the free materials

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