For one cake alone, find a common denominator (which is 6). So 2 2/3 (8/3) is equal to 16/6 cups. 1/2 is 3/6 cups. So for one cake, it takes 19/6 cups of flour. Henry has 570/6 (=95) cups of flour. If you divide the 570 by 19, Henry can make 30 cakes.
