SOLUTION: The value of a certain fraction becomes 1/5 if one is added to its numerator. If one is taken from its denominator, it's value becomes 1/7. Find the fraction.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The value of a certain fraction becomes 1/5 if one is added to its numerator. If one is taken from its denominator, it's value becomes 1/7. Find the fraction.      Log On


   

Question 889296: The value of a certain fraction becomes 1/5 if one is added to its numerator. If one is taken from its denominator, it's value becomes 1/7. Find the fraction.
Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
n%2Fd the fraction.

%28n%2B1%29%2Fd=1%2F5 and n%2F%28d-1%29=1%2F7.
Do the rest.