Math, asked by Anonymous, 1 year ago

the sum of the number and denominator of a fraction is 12 if the denominator is increased by 3 and the fraction becomes half
find the fraction


Anonymous: the sum of numerator and denominator is 12

Answers

Answered by Aasthakatheriya1
1
heya it's Aastha !!!!!!

Let call our fraction xy, we know that:

x+y=12

and

xy+3=12

from the second:

x=12(y+3)

into the first:

12(y+3)+y=12

y+3+2y=24

3y=21

y=213=7

and so:

x=12−7=5

x/y = 5/7

thnks@
hope it help you

Similar questions