How do i write two multiplication equations using fractions and mixed numbers? writing one equation that will have a product greater than the first factor. then another equation that will have a product less than the first factor.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.