# Rational Functions

### Adding/Subtracting Rational Expressions

## PRACTICE PROBLEMS

Try the problems below for some practice before the assignment. These problems will be your practice problems and will go in with your notes.

## Simplifying Rational Expressions

Here is a short video of How To simplify a rational expression. Notice that it involves factoring. If you're not comfortable with factoring click here for some refresher examples and videos.

Simplifying Rational Expressions | MathHelp.com

## RECAP

So there you go!

- You add and subtract rational expressions in exactly the same way that you do fractions. BECAUSE THE
__ARE FRACTIONS__**!** - When you're done adding or subtracting you need to simplify your expressions by factoring and canceling out terms that are the same on your fraction's numerator and denominator.

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