Adding and Subtracting Fractions

Grade 445 minutes5.NF.A.1 Add and subtract fractions with unlike denominators

Learning Objective

I can find a common denominator to add and subtract fractions with unlike denominators.

Practice Questions

This lesson includes 7 practice questions to reinforce learning.

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1. What is a common denominator, and why is it important when adding or subtracting fractions?

2. If you want to add ⅓ and ¼, what is the first step you need to take to find a common denominator?

3. Find the common denominator for the fractions ⅖ and ⅗. What is the least common denominator (LCD)?

...and 4 more questions

Educational Video

Math Antics - Adding and Subtracting Fractions

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