Friction Fit

why is 100% divided by 3 a valid thing?

I’m not a mathematician, but 33.3% does not equate to a real number. We’re constantly rounding down, always estimating. I’m ok with that, as nothing is ever clear cut. But what do we do when there are 3 people and 1 thing? Or 3 people and 5 things? The answer is unfortunately simple, someone does not get their due. 5 things, 3 people? The boss/chief/leader/manager/bully/chosen one should get 2 and everyone else gets the privilege of fight over the remains