Answers

2014-04-24T12:17:02+05:30
Let a/b be the original fraction.
So ,

New fraction = 56a/49b

=> 56a/49b = 6/7

=> a/b =42/56
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2014-04-24T12:50:07+05:30
Numerator=x
denominator=y
then fraction=x/y
(x+12x/100)/(y-2y/100)=6/7
solving
we get x/y=21/28
fraction=21/28
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