8/19-7/16
Let's calculate: 819 -716
8×16 -7×1919×16
ℹ8×16 = 128‖-7×19 = -133‖19×16 = 304
128 -133304
ℹ128 -133 = -5
▶Result:   -5304
The approximate value of: -5304 equals:
▷ ≈ -1.6447×10-2