Adding Fractions with Unlike Denominators

Grade 645 minutes

Learning Objective

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

Practice Questions

This lesson includes 7 practice questions to reinforce learning.

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1. Explain why we need a common denominator to add or subtract fractions. Use an example to illustrate your explanation.

2. What are equivalent fractions? Create two equivalent fractions for ⅗.

3. Use the "easiest common denominator" method to add ⅖ + ¼. Show each step.

...and 4 more questions

Educational Video

Math Antics - Common Denominator ECD

mathantics

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