Adding Subtract Multiply Divide Rational Expressions

In order to add or subtract rational expressions, you have to have the same _____________.

• numerator

• factors

• denominator

• degree

Simplify.

• n - 1

• 2(n - 1) / 2

• 2(n - 1)

• 1

Divide

• 1

Divide

when adding and subtracting rational expressions, the first step is to _______

Add

Add

Subtract

• Cannot be subtracted

Subtract