SOLUTION:

Question 1063432:
Found 2 solutions by stanbon, sky1983:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Sqrt 5/3 - sqrt 3/5 = ?
-----
sqrt(15)/3 - sqrt(15)/5
------
----
[5sqrt(15) - 3sqrt(15)] / 15
-----
(2sqrt(15))/15
--------------------
I think you have it.
Cheers,
Stan H.
-------------
Answer by sky1983(10) (Show Source): You can put this solution on YOUR website!
(2sqrt15)/15