Winter, we're here to help you, but unless you have a try of them yourself, what's the point?

The rule of thumb is simplify the easiest parts first, then move to the harder parts...

What we have here is...

.

Here the bottom is easiest to simplify.

So .

Now we are dividing by a fraction. Use stay change flip...

. Do you see how the first term STAYed the same, the divide CHANGEd to a times, and the second term was FLIPped?

Now simplify...

.

Have a go of some on your own, they're not THAT hard...