Question

the sum of the numerator and the denominator of a fraction is 8.if 3 is added to noth the denominator and the numerator,the fraction becomes 3/4.Find the fraction
​

Answer 1

Answer:

let numerator be a and denominator be b......

then, it is given a+b=8

a+3/b+3=3/4

put b=8-a

and cross multiply...

a+3/8-a+3=3/4

4a+12=24-3a+9

7a=21

a=3

b=8-a

b=8-3

b=5......

hope u get it....