Find the number.

Question

If the same number is subtracted from both the numerator and the denominator of 5/9, the result is 1/3. Find the number.
 Find the number

Answer 1

(5-x)/(9-x)=1/3

3(5-x)=1(9-x)

15-3x=9-x

15-9=3x-x

6=2x

x=6/2

x=3

(5-3)/(9-3)=2/6=1/3