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a fraction becomes 1 by 3 if 1 is subtracted from both its numerator and denominator if 1 is added to both the numerator and denominator it becomes 1 by 2 find the fraction

Posted by Shweta Zine 5 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Aditya Kumar 5 years, 2 months ago

Let numerator be n, and denominator be d a to q (n-1) /(d-1) =1/3 after solving it we will get 3n-d=2 --------------------(i) now, (n+1) /(d+1) =1/2 after solving it we will get d-2n=1 --------------------(ii) Adding both eqn, we get n=3 By putting value of n =3 in any one eqn we get, d=7 So the fraction, n/d=3/7

0Thank You

Aditya Kumar 5 years, 2 months ago

Fraction = 3/7

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CBSE > Class 10 > Mathematics