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Section 6.3 Complex Rational Expressions aka “Complex Polynomial Fractions”

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.

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Section 6.3 Complex Rational Expressions aka “Complex Polynomial Fractions”

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

  10. Method 2Practice – 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

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