Determine the following sum or difference. Show your work. 4 lb 6 oz + 10 oz = ______ lb______ oz
Determine the following sum or difference. Show your work. 12 lb 4 oz + 3 lb 14 oz =______ lb______ oz
Determine the following sum or difference. Show your work. 5 lb 4 oz – 12 oz = ______ lb______ oz
Determine the following sum or difference. Show your work. 20 lb 5 oz – 13 lb 7 oz = ______ lb______ oz