1. 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

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

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

4. Definition and Examples
6.3

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

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

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

8. Monomials - What’s the LCD?
6.3

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

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

11. Practice – What’s the LCD?
6.3

12. Practice – What’s the LCD?
6.3

13. What Next?
Present Section 6.4 Rational Equations
6.3