Add and Subtract Rational Expressions

Add the fractions

• a

• b

• c

• d

• A
• B
• C
• D

Simplify and state the excluded values.

• A

• B

• C

• D

ADD the following

• A.

• B.

• C.

• D.

Add the following rational expression.

Simplify

• a

• b

• c

Subtract the fractions

• a

• b

• c

• d

To add or subtract rational expressions we must have a _____________>

• greatest common factor

• common denominator

• calculator

• proportion

Simplify the expression.

• 
• 
• 
• 

6/12 - 3/12

• 9/12

• 3/12

• 8/12