(3^2×4^3) : (4^2×3^5) = ?

3'2*4'3 : 4'2 * 3'5
=3'2-5 * 4'3-2
=3'-3 * 4'1
=4/3'3

' = pangkat

(3^2 × 4^3) : (4^2 × 3^5) =
3^2 × 4^3 × 4^(-2) × 3^(-5) =
3^(2-5) × 4^(3-2) =
3^(-3) × 4^(1) =
4 / (3^3) =
4/27