Adding and Subtracting Rational Expressions

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In this video you will learn how to add and subtract rational expressions.
Adding and subtracting rational expressions is similar to adding and subtracting fractions. You will see why and how to find the common denominator, how to state restrictions and how to simplify the final answer.
This video also shows an example where you need to factor first.

Check your understanding by taking a short free online quiz on the topic:
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