14. Вычислите: 17/12 - 2/5 * (2 - 1 1/12).

2 - 1 1/12 = 1 - 1/12 = 11/12

2/5 * 11/12 = 22/60 = 11/30

17/12 - 11/30 = (17*5 - 11*2) / 60 = (85 - 22) / 60 = 63/60 = 21/20 = 1 1/20