Well if you have a fraction like that you see whats on the top and whats on the bottom and then you look to see what you can simplify (get rid of) e.g.

Simplify:

First imagine the fraction in similar segmented fractions (if that is even grammatically correct)

Now work them out individually:

cannot be simplified so it remains the same.

Now combine them (put them back)

However even this can be simplified;

This seems a bit long-winded but once you get the hang of it, it becomes much quicker and easier. Now try yours.