Question

the sum of numerator and denominator of a fraction is 3 less than twice the denominator. if the numerator and denominator are decreased by 1 , the numerator becomes half of the denominator determine the fraction

Answer 1

Let the numerator be n and
Denominator be d.
n+d = 2d-3
n+3=2d-d
n+3=d
After subtracting1,
n-1/n+3-1
=n-1/n+2
2(n-1)=n+2
2n-2=n+2
n=4
d=n+3
=4+3=7
fraction=4/7

Answer 2

Fraction is 4÷7
I hope it will help you