if 3 =1/3
3/3= 9 so 9 was leftovers
1/4
4/1
4*9
36 total pieces at start.
p.s. that sandwich is either monster or kim needs to eat more, who eats 1/12 of a sandwich that is just...
also idk how they ate the same number of pieces, each would have had to eat 6.75 pieces