Question

2 lb 9 oz + 4 lb 8 oz

Answer 1

1z=0.0625 lb

Answer 2

first add all lb and all oz

Answer 3

7.0625 pounds

Answer 4

2 lb 9 oz
4 lb 8 oz
---------add
6 lb 17 oz

there are 16 oz in a lb
so we are left with :
7 lb 1 oz

Answer 5

http://www.cleavebooks.co.uk/scol/cclboz.htm