Solutions
Get detailed explanations to advanced GMAT questions.
Question
Which of the following is equivalent to ((a+b)/2)+ ((a-b)/3)?
Option A:
2a/5
Option B:
5a/6
Option C:
(5a+b)/6
Option D:
(5a+2b)/6
Option E:
(5a-b)/6
Difficulty Level
EasySolution
Option C is the correct answer.
Option Analysis
Just find the LCM (Here cross multiply):
((a+b)/2)+ ((a-b)/3)
= (3(a+b) +2(a-b))/6
= (3a+3b+2a-2b)/6
= (5a+b)/6
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