Question

What are numbers with a fractional part called?

Answer 1

Unique decomposition into integer and fractional parts. Under the first definition all real numbers can be written in the form , where is the number to the left of the radix point, and the remaining fractional part is a nonnegative real number less than one.

Answer 2

The integer is called the integer part of x, whereas the decimal is called the fractional part of x (or sometimes the decimal part of x)