Verified answer

Пошаговое объяснение:

16 - 1/16 - 3/16 = 15 16/16 - 1/16 - 3/16 =

15 + (16 - 1 - 3)/16 = 15 12/16 = 15 3/4

28 - 1/28 - 3/28 = 27 28/28 - 1/28 - 3/28 =

27 + (28 - 1 - 3)/28 = 27 + 24/28 = 27 6/7