Помогите!! у+3 целых 3/14= -1 целая 4/21

y = -1 4/21 + 3 3/14 = -1 8/42 + 3 9/42 = -50/42 + 135/42 = 85/42 = 2 1/42

у+3 3/14=-1 4/21 у=-1 4/21-3 3/14      у=-4 целых 7/42             -3 3/14-1 4/21=-414/42=-4 7 /42