Ответ:

Пошаговое объяснение:

3) = (16/18 - 15/18) + 12/18 = 13/18

4) = (35/40 - 26/40) + 36/40 = 45/40 = 9/8 = 1 1/8

5) = ( 14/36 - 3/36) + 30/36 = 41/36 = 1 5/36

6) = (45/60 - 32/60) + 51/60 = 64/60 = 16/15 = 1 1/15