In the fraction x/y, where x and y are positive integers, what i sthe value of y?
1) The least common denominator of x/y and 1/3 is 6.
2) x = 1
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Least Common denominator is usually applied to fractions. We unknowingly do L.C.D all the time when adding fractions
From the Q..
1. x/y + 1/3 has L.C.D. of 6 .
i.e. L.C.M (y,3) = 6 which gives y =2 (if the fraction is in reduced form)
But, x/y can be 2/4, which makes y =4..
So Not SUFF
2. x= 1, no way to find y.
Combining 1 & 2, y =2
SUFF
ANS: C
let me know if it matches with OA.
From the Q..
1. x/y + 1/3 has L.C.D. of 6 .
i.e. L.C.M (y,3) = 6 which gives y =2 (if the fraction is in reduced form)
But, x/y can be 2/4, which makes y =4..
So Not SUFF
2. x= 1, no way to find y.
Combining 1 & 2, y =2
SUFF
ANS: C
let me know if it matches with OA.
-
- Master | Next Rank: 500 Posts
- Posts: 158
- Joined: Mon Dec 03, 2007 8:32 am
- Thanked: 7 times
Yeah I too was confused with the question. But the question is correct and I think malnv's solution is good.
So rephrasing is LCD just LCM of denomitors?
Calista.
So rephrasing is LCD just LCM of denomitors?
Calista.