The side length of a square is 9 cm and the dimensions of a rectangle are 6 cm and 7 cm. Find the ratio between the area of the square and the area of the rectangle.
Step 1: Find the area of the square.
Step 2: Find the area of the rectangle.
Step 3: Write the ratio of the square's area to the rectangle's area. Divide each term of the ratio by the same number to simplify.