Question

The sum of numorator and denominator of a fraction is 12. If one is added to both numerator and denominator then a fraction becomes 3/4 find the fraction - ​

Answer 1

Answer:

5/7

Step-by-step explanation:

Original fraction= x/y

x+y=12

=y=12-x-----1

x+1/y+1=3/4

=x+1/12-x+1=3/4

=x+1/13-x=3/4

=4(x+1)=3(13-x)

=4x+4=39-3x

=7x=35

=x=35/7

=x=5

Substitute x=5 in equation 1

y=12-x

y=12-5

y=7

Original fraction=5/7

Answer 2

Step-by-step explanation:

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