# GET READY TO PASS GED MATH!

## Start Learning Now With Our FREE Online GED Math Course.

Amazing video tutorials for every lesson!!

## GED Math Chapter 9: Percent, Rates, Ratio and Proportions – Lesson 4

OK, welcome to this last lesson in the chapter the topic is simplifying rational expressions. Knowing how to simplify a rational expression is really important in algebra so you want to focus on the skills I’m going to teach. A rational expression is basically a fraction with variables. So simplifying a rational expression can be thought of as “reducing” a fraction with variables.

Things to focus on this lesson:

• what a rational expression is

• factoring

• how to cancel like factors

#### Chapter 9 Lesson 4

#### Simplifying Rational Expressions

Most of the bad things we worry about never happen- focus your energy on taking action and going for your dreams.

### Great Job! you finished the entire chapter. Let’s review some of the skills you should have this far into the course:

- Being able to solve equations and inequalities
- Understanding how to graph lines
- Knowing how to work with powers and exponents
- Being able to solve percent problems
- Knowing how to simplify rational expressions

In the next chapter we will start to learn about systems and matrices- key topics in algebra.