Imogene is baking a cake that requires two and one half cups of sugar and three and one sixth cups of flour. What are these amounts as improper fractions? :PA. 4 1/6 sugar, 2 1/2 flour B. 19/16 sugar, 5/2 flour C. 5/2 sugar, 19/6 flour D. 2 1/2 sugar, 3 1/6 flour