11. 6 Addition and Subtraction Rational Expressions

Addding Fractions REVIEW:

Example 1 x + 4

Subtracting Rational Expressions (RE) When you subtract a RE remember to distribute the minus sign to the numerator of the 2nd RE

REVIEW:

Example 2 ( ) 2

Example 3

Addition and Subtraction with unlike denominators Steps: Find a least common denominator (LCD) Rename fractions Add or subtract numerators

Adding Fractions with unlike denominators REVIEW:

How to get a LCD with RE Factor the denominators Take one of each factor If there are duplicates take the one with the highest exponent

Example 4

Example 5:

Example 6:

Example 7:

Example 8:

Example 9:

Homework 11.6 TB: Page 585 (2-18 even, 20-25 all)