Section 6.3 Complex Rational Expressions aka “Complex Polynomial Fractions” Definition of a Complex Fraction: An expression with more than one fraction bar Simplifying Complex Fractions: Method 1: Clearing all Denominators using the LCD Method 2: Using the Division Rule for Fractions 6.3

Arithmetic Example – Method 1 Clearing all Denominators using the LCD 6.3

Arithmetic Example – Method 2 Simplify top and bottom, use the division rule 6.3

Definition and Examples 6.3

Simplifying CRE’s – Method 1: Multiplying by 1 6.3

Simplifying CRE’s – Method 2: Dividing 2 Rational Expr’s 6.3

Which Method to Use? When choosing a method, look at the problem carefully. 6.3

Monomials - What’s the LCD? 6.3

Method 1 Practice – What’s the LCD? And the Lacks? 6.3

Method 2 Practice – What’re the LCDs? And Lacks? 6.3

Practice – What’s the LCD? 6.3

Practice – What’s the LCD? 6.3

What Next? Present Section 6.4 Rational Equations 6.3