Posted by Brittney on Wednesday, December 5, 2012 at 12:47am.
if a number is subtracted from the numerator of 3/5 and the same number is added to the denomminator of 3/5, the result is equivalent to 1. find the number

Math  PsyDAG, Wednesday, December 5, 2012 at 2:27pm
It helps to change to decimal form.
(.6 n)/(.6 +n) = 1
Multiply both sides by (.6+n).
.6  n = .6 + n
You should be able to solve it from here.