Add the following weights:

30 lb 6 oz + 21 lb 9 oz + 21 lb 8 oz

pounds ounces

Box 1: Enter your answer as a fraction (like 3/5 or 10/4) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity

Box 2: Enter your answer as a reduced mixed number or as an integer. Example: 2 1/2 = 2 ½
Enter DNE for Does Not Exist, oo for Infinity