, , , , and again.
Taking absolute values, , , , , and so we really only have three different values, , , and .
The largest (max) of those is so is .
The difference between the two is that in the first one, you add all the fractions, to get 4, then take the larger of 1 and 4. In the second, you take the largest of the fractions, then add 1 to that.