What you can do is convert the fraction into a decimal, and once that fraction is converted into a decimal, you would get (rounded to the nearest hundred) : 0.43.
Since [tex] \frac{1}{2} [/tex] converted into a decimal is 0.50, 1 is a whole number, and 0 is 0, the closest is [tex] \frac{1}{2} [/tex]