You can put this solution on YOUR website!
Just like normal fractions, with algebraic fractions you need to have a common denominator. When lookig for one, I suggest factorising as much as you can.
The lowest common denominator is going to be
So we have to multiply the first fraction by
and mutiply the second one by
. This leaves us with:
Can you do the subtraction now? Make sure you check your answer by putting some values into it and checking it is what it should be.