Understand fraction 45: Step 1: Understand the fraction45.45 divided by 4 equals 1.25, which is not a whole number because it has a decimal part.
Determine if 1.25 is whole: Step 2: Determine if 1.25 is a whole number.Whole numbers are numbers without fractions or decimals; they include 0,1,2,3, etc. Since 1.25 has a decimal, it is not a whole number.