Kip starts with 1 4/6 lbs of toffee. First we need to convert this to an improper fraction, the improper fraction is 10/6
Now subtract 5/6 from 10/6,
10/6 - 5/6 = 5/6
Kip has 5/6 lbs of toffee left. He gave half of what he originally had to his friend.
Hope that helps ya!