Add and Subtract Rational Expressions with Unlike Denominators

Find the least common denominator of the expression

• 18

• 6x

• 3xy

• 6xy

Add the rational expression.

• (6+2y^2) / (6x^2y)

• (6y) / (6xy)

• (5y)/(3xy)

• (6+2y^2) / (6xy)

Subtract the rational expressions.

• A

• B

• C

• D

Subtract the rational expressions.

• A

• B

• C

• D

• A.
• B.
• C.
• D.

• A
• B
• C
• D

• A
• B
• C
• D

• A

• B

• C

• D

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• 
• 
• 

• k = 7
• x = 7.1
• x = 7.6
• x = 1/7