Question

4. The sum of the numerator and the denominator
of a fraction is 9. If 3 is added to each of the numerator and the denominator, it becomes
1/2. Find the fraction.

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Answer 1

Answer:

2/7

Step-by-step explanation:

let's say the fraction is x/y

then, x+y=9

x+3/y+3 =1/2

by cross multiplication,

6 +2x =3+y                                  (y=9-x)

6 + 2x =3+9-x

3x=6

x=2;then y=7

therefore the fraction is 2/7.

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