Fully simplify using only positive exponents.

start fraction, 27, x, to the power 5 , y, to the power 7 , divided by, 3, x, to the power 4 , y, to the power 6 , end fraction
3x
4
y
6

27x
5
y
7

- 9 x ^1 y

- 729 x ^1 y