1 - 3/16 = 1 - 0.1875 = 0.8125

1 - 8/27 = 1 - 0.2963 = 0.7037

1 - 19/44 - 25/44 = 1 - 0.4318 - 0.5682 = 1 - 0.4318 - 0.5682 = 1 - 1 = 0