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Fraction addition simplification

Teaching Transcript

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Let's set up this fraction addition problem correctly

First, we find the lowest common multiple of the two denominators. That's 15

Now we convert both fractions into fifteenths, so we their denominators are common. Now we are set up to add or subtract them.

This math skill teaches how to add fractions by finding the lowest common multiple of the denominators, then converting both fractions to have this common denominator, allowing them to be easily added or subtracted.

Skill Practice

Fraction addition problem simplification

Test your understanding of fraction addition simplification by practicing it! Work through the below exercises to use it in practice.