Question

the sum of the numerator and the denominator of a fractio is 12.if the denominator is increased by 3.the fraction becomes 1/2.find the fraction​

Answer 1

Answer:

5/7

Step-by-step explanation:

let x/y be the fraction

x+y=12

x=12-y_____(1)

according to the condition.

x/y+3=1/2

12-y/y+3=1/2(from eq (1))

24-2y=y+3

24-3=y+2y

21=3y

y=7

x=12-y

x=12-7

x=5

hence fraction is 5/7