Dad bakes a cherry pie, an apple pie, and a blueberry pie. All of the pies are the same size. Alexis eats one-sixth of the cherry pie, one-half of the apple pie, and three-sixths of the blueberry pie. Frank eats four-sixths of the cherry pie, three-sixths of the apple pie, and one-third of the blueberry pie. Show all of your work.