Last Updated on May 5, 2023
GMAT OFFICIAL GUIDE PS
Solution
We start by simplifying each complex fraction. Let’s multiply the left fraction by 3/3 and the right fraction by 2/2:
3/3(1/(1 + 1/3) = 3/(3 + 1) = ¾
2/2(1/(1 + ½) = 2/(2 + 1) = 2/3
Finally we have 3/4 – 2/3 = 9/12 – 8/12 = 1/12
Answer: D