Mathematics » Rational Expressions and Equations » Simplify Complex Rational Expressions

# Summarizing Simplify Complex Rational Expressions

## Key Concepts

• To Simplify a Rational Expression by Writing it as Division
1. Simplify the numerator and denominator.
2. Rewrite the complex rational expression as a division problem.
3. Divide the expressions.
• To Simplify a Complex Rational Expression by Using the LCD
1. Find the LCD of all fractions in the complex rational expression.
2. Multiply the numerator and denominator by the LCD.
3. Simplify the expression.

## Glossary

### complex rational expression

A complex rational expression is a rational expression in which the numerator or denominator contains a rational expression.