Mrs. Cho wrote the following problem on the board.



Problem: $\frac{\frac{1}{x^2}-\frac{2}{y}}{y-2 x^2}$



Step 1: $\frac{\frac{y}{x^2 y}-\frac{2 x^2}{x^2 y}}{y-2 x^2}$



Step 2: $\frac{\frac{y-2 x^2}{x^2 y}}{\frac{y-2 x^2}{1}}$