= 19 + 6 5/2 - (2.0625 - 17/12) / 1/8
= 19 + 6 2.5 - (2.0625 - 1.4167) / 1/8
= 19 + 15 - (0.6458) / 0.125
= 19 + 15 - 5.1664
= 19 + 15 - 5.1664
= 33 - 5.1664
= 27.8336