Since we are asked to determine which of these three numbers, 0, 1, and 1/2, is closest to 48/100, we would first have to convert those three numbers to fraction form in such a way where they would all have the same common denominator.

0 would then be 0/100, 1 would be 100/100, and 1/2 would be 50/100.

Now completely ignore the denominators in ALL FOUR numbers.

Which is closer to 48? 0, 50, or 100? And the answer would be 50.