A ca of oatmeal contains 4 and 1/2 cups of oats. When making oatmeal, one serving requires 2/3 of a cup of oats. How many servings of oatmeal can one make if each serving requires 2/3 of a cup.
A. 6 and 3/5
B. 4 and 3/6
C. 3
D. 3 and 4/6