What is 5 in 8/12 + 3 in 5/12 (5 8/12 + 3 5/12)
= 9 1/125 + 8/12 + 3 + 5/125 + 3 = 88/12 + 5/12 = 13/1213/12 = 1 1/128 + 1 + 1/12 = 9 1/12