4/4 is just one whole, but 4/2 would be double. I don't know how to explain, I said it like how understand it...
To convert an improper fraction to a mixed fraction, follow these steps:
Divide the numerator by the denominator.Write down the whole number answerThen write down any remainder above the denominator
v = 1/3 a^2h
the volume is 1/3 a^2h.