10.4 Addition and Subtraction: Like Denominators Goal: to add or subtract the numerators of fractions with like denominators and then simplify

To add and subtract rational expressions with like denominators… Keep the denominator and add or subtract the numerators (just like adding like terms) Remember to simplify your final answer

Add & Subtract Rational Expressions REVIEW:

Example 1 3x2 + 4x -15

Example 2

Example 3 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 4 ( ) 2

Example 5

Example 6

You try example 7:

Answer must be factored Assignment Page 443 2-32 even Answer must be factored