Question

Subtract: 6lb 4oz - 2lb 10oz

Answer 1

6 lb = 96 oz
2 lb = 32 oz

96 + 4 = 100
32 + 10 = 42

100 - 42 = 58
58 oz 

58 / 16 = 3 10/16
3 lb 10 oz

Answer: 3 lb 10 oz

Answer 2

(6 pound 4 oz) - (2 pounds 10 oz) =3.62500 pounds