What is the difference between a 16 ounce brick and a carpenter math worksheet answers?

Actually this is a series of problem which forms a sentence by combining or adding the letters of the answers, the correct sentence that would form is: ONE WEIGHS A POUND AND THE OTHER POUNDS AWAY   4 = O 1 1/3 = N 1 5/6 = E 7 3/10 = W 1 7/8 = E 9 = I 1 ¾ = G 3 = H 2 ¼ = S 4 4/5 = A 1 = P 5 1/6 = O 3 7/11 = U 1 5/8 = N 1 ½ = D 3 3/5 = A 1 2/3 = N 2 2/3 = D 17/10 = T 13/4 = H 37/5 = E 12/7 = O 19/8 = T 8/3 = H 19/12 = E 158/15 = R 39/4 = P 22/7 = O 59/24 = U 100/3 = N 50/9 = D 29/6 = S 9/2 = A 35/2 = W 23/5 = A 67/16 = Y