(5/6-1 7/12) * 10 2/3 + 3 3/14 : 5/12 = (10/12 - 19/12) * 32/3 + 45/14 : 5/12 = -9/12 * 32/3 + 54/7 = -8 + 7 5/7 = 2/7
(5/6-1 7/12) * 10 2/3 + 3 3/14 : 5/12 = (10/12 - 19/12) * 32/3 + 45/14 : 5/12 = -9/12 * 32/3 + 54/7 = -8 + 7 5/7 = 2/7