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What is the common denominator of 1/a+1/b in the complex fraction ((1/a-1/b)/(1/a+1/b)? A^2b^2 a-b a+b ab

User MaverickD
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4.7k points

2 Answers

7 votes

Answer:D

Explanation:

User Lix
by
5.7k points
7 votes

Answer:

  • D. ab

Explanation:

  • 1/a + 1/b =
  • b / ab + a / ab =
  • (b + a) / ab

The common denominator is ab

Correct choice is D

User Andrew Barrett
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5.6k points