You can put this solution on YOUR website!
This is a duplicate of problem number 35036
Assuming this is how your problem looks ... it is solved like this:
First of all ... anything that has an exponent of zero is equal to one
Next, Lay the fraction out three times, since it is cubed
The denominator is the easy one, lets deal with it first.
Multiply the first two quantities in the numerator
Distribute out the second quantity