g/h^2÷g^2/h^3
Are there meant to be any brackets here?
I will read your mind and put some in :)
\((g/h^2)÷(g^2/h^3)\\ =\frac{g}{h^2}\div\frac{g^2}{h^3}\\ =\frac{g}{h^2}\times \frac{h^3}{g^2}\\ =\frac{h}{g}\)