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Sub 505 (Easy)|   Arithmetic|                           
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Bunuel
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Bunuel
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General Discussion
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Ans = (3/4) - (2/3) = 1/12
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Answer is 1/12

3/4 - 2/3 = 1/12
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bunuel.. i think difficulty level shud be 500 or below 500..

its 1/12.. person shud knw the 1+1/3 = 4/3.. by not taking LCM because that will waste ur time..
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Attached is a visual that should help.
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Screen Shot 2016-05-10 at 5.50.27 PM.png
Screen Shot 2016-05-10 at 5.50.27 PM.png [ 75.73 KiB | Viewed 56302 times ]

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1/(4/3)-1/(3/2)= 3/4- 2/3= 9-8/12=1/12
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Bunuel
\(\frac{1}{1+\frac{1}{3}}-\frac{1}{1+\frac{1}{2}}\)

(A) -1/3
(B) -1/6
(C) -1/12
(D) 1/12
(E) 1/3

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Question: 27
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Difficulty: 550

\(\frac{1}{1+\frac{1}{3}}-\frac{1}{1+\frac{1}{2}} = \frac{3}{4} - \frac{2}{3} = \frac{9 -8}{12} = \frac{1}{12}\)

IMO D
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1/(4/3)-1/(3/2)= 3/4- 2/3= 9-8/12=1/12
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