Addition and subtraction of rational expressions and functions'

1
Section 6.2

• Addition and subtraction of rational expressions
  and functions.

2
Adding rational expressions
Rational expressions with the same denominator
are added by combining the numerator and leaving
the denominator the same.
3
Adding Rational Functions
4
Adding Rational Functions
5
Subtracting Rational Functions
6
Subtracting Rational Functions
7
Adding/Subtracting Rational Expressions

• Find the LCD of the rational expressions.
• Rewrite the rational expressions with denominator
  LCD.
• Add or subtract as appropriate.
• Simplify.

8
Add/Subtract
9
Add/Subtract
10
Add/Subtract
11
Add/Subtract