Add and Subtract Rational Expressions Unlike Denominator

Find the least common denominator of the expression

• 18

• 6x

• 3xy

• 6xy

Subtract the rational expressions.

• A

• B

• C

• D

Subtract the rational expressions.

• A

• B

• C

• D

What is the common denominator for the two expressions?

• 3ab

• 6ab

• 3

• 6

• k = 7
• x = 7.1
• x = 7.6
• x = 1/7

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Perform the operation

• A

• B

• C

• D

• A
• B
• C
• D

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• A
• B
• C
• D