6/7-8/17
Let's calculate: 67 -817
6×17 -8×77×17
ℹ6×17 = 102‖-8×7 = -56‖7×17 = 119
102 -56119
ℹ102 -56 = 46
▶Result:   46119
The numeric value of: 46119 equals:
▷ ≈ 0.3866