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 process of adding fractions with different denominators. What is the first step you need to take?

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 ⅗. Show all your steps, including how you found the common denominator and combined the fractions. Then, convert your answer to a mixed number if necessary. Add the fractions ⅓ and ⅘. Show all your steps, including how you found the common denominator and combined the fractions. Afterward, simplify your final answer if possible.

Sample answer included in the free materials

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