вычислить (3/8 - 7/12) *1 целая 1/3 + 5/6

1) 3/8 - 7/12 = 9/24 - 14/24 = -5/242) -5/24 * 1 целая 1/3 = -5/24 * 4/3 = -5/183) -5/18 + 5/6 = -5/18 + 15/18 = 10/18 = 5/9.