No it doesn't. It means if all of your apples are half of a pile, a full pile is twice as many apples as you have.
For the OP, the problem is where you say "0/x = 0, let x = 0". Since (I assume) you're working with reals, 0/x = 0 should be 0/x = 0, for all x != 0. Otherwise 0/x != 0, and as...