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Re: Fun with Fractions [#permalink]
06 Aug 2009, 01:19
yezz wrote:
robertrdzak wrote:
In the fraction x/y, where x and y are positive integers, what is the value of y?
(1) the least common denominator of x/y and 1/3 is 6
(2) x = 1
from 1
y could be 2 or 6.......insuff
from 2
insuff
both 1/6 or 1/2........insuff.E
Sorry if my question sounds silly, but how do you calculate LCM for fractions? when i tried to instert 1/2 or 1/6 and 1/3 to an LCM calculator i did not get the result of 6.
Re: Fun with Fractions [#permalink]
06 Aug 2009, 02:11
tomirisk wrote:
yezz wrote:
robertrdzak wrote:
In the fraction x/y, where x and y are positive integers, what is the value of y?
(1) the least common denominator of x/y and 1/3 is 6
(2) x = 1
from 1
y could be 2 or 6.......insuff
from 2
insuff
both 1/6 or 1/2........insuff.E
Sorry if my question sounds silly, but how do you calculate LCM for fractions? when i tried to instert 1/2 or 1/6 and 1/3 to an LCM calculator i did not get the result of 6.
L.C.M. of fraction = L.CM of numerator/H.C.F of denominator ......Also note that L.CM * H.C.F =PRODUCT OF NUMBERS...
but in thsi question it was asked only least common denominator and not of whole fraction....2 & 3 L.C.M is 6 ...also 3 & 6 L.C.M is 6....
Re: Fun with Fractions [#permalink]
06 Aug 2009, 02:23
tomirisk wrote:
yezz wrote:
robertrdzak wrote:
In the fraction x/y, where x and y are positive integers, what is the value of y?
(1) the least common denominator of x/y and 1/3 is 6
(2) x = 1
from 1
y could be 2 or 6.......insuff
from 2
insuff
both 1/6 or 1/2........insuff.E
Sorry if my question sounds silly, but how do you calculate LCM for fractions? when i tried to instert 1/2 or 1/6 and 1/3 to an LCM calculator i did not get the result of 6.
Also, L.C.M of 1/2 & 1/3 will be 1....As H.C.F of 2 & 3 ..is 1
Re: In the fraction x/y, where x and y are positive integers, [#permalink]
22 Aug 2015, 11:58
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