-2 5/9 + 1 5/6 = -19/9 + 11/6 = -38/18 + 33/18 = -5/18
(-1/15 + 2/3) - (6.34 + 7.02) = (6/39) - (13.36) = 2/13 - 13.36 = -13.3428
-2 5/9 + 1 5/6 = -19/9 + 11/6 = -38/18 + 33/18 = -5/18
(-1/15 + 2/3) - (6.34 + 7.02) = (6/39) - (13.36) = 2/13 - 13.36 = -13.3428