Question

the numerator of a fraction is 1 less than its denominator if 1 is added to both numerator and denominator the fraction becomes 4/5 find the fraction​

Answer 1

Answer:

let the denomenator be x

then,

x-1 +1/x+1=4/5

x/x+1=4/5

5x=4x+4

5x-4x=4

x=4

then x-1=4-1=3the fraction is 3/4