Adding Fractions with Different Denominators

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Objective

I can add fractions with different denominators by finding equivalent fractions with a common denominator.

Part 1 of 3

Warm-up video

Khan Academy · 5:39Vetted channel

We don't generate video — this one is by Khan Academy 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 it is necessary to find a common denominator before adding fractions.

2

What is a "common multiple" and how does it relate to finding a common denominator when adding fractions? Give an example using the numbers 3 and 5.

Part 3 of 3

Exit ticket

Quick comprehension check

Solve: ⅖ + ⅓ = ? Show your work, including the step where you find a common denominator. Solve: ¼ + ⅜ = ? Show your work, including the step where you find a common denominator.

Sample answer included in the free materials

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