Get Started
- Click the Lesson Pages button to print them.
- Read Objectives and Why?
- Complete the Warm Up.
Objectives
- Determine the least common denominator (LCD) of a rational expression.
- Add and subtract rational expressions.
- Simplify complex fractions using addition, subtraction, multiplication, and division.
- Apply rational expressions to word problems such as geometric probabilities and efficiency ratios.
Why?
In order to be able to work with rational functions and their graphs in future lessons, you need to be able to simplify expressions containing the four basic operations.
Audio Player
Warm Up
The Warm Up activates prior knowledge that is related and important to your understanding of the lesson. It is a great way to prepare your mind for what you are about to learn.