Question

A fraction is such that its denominator exceeds its numerator by 1 .when the denominator is increased by 1,the fraction decreases by 3/20 .find the fraction

Answer 1

Answer:

Let x be the numerator

Then, fraction=x/x+1

According to the question:

=>x/x+1+1=3/20

=>x/x+2=3/20

=>20x/3=x+2

=>20x=(x+2)3

=>20x=3x+6

=>20x-3x=6

=>17x=6

=>x=6/17