It is a figure of speech known as a synechdoche. For example, you might say "wheels" to mean a car or "bread" to represent food of all sorts.
It is the numerator of a fraction which is above the denominator.
A fraction.
2.45 is a fraction and there is no way to represent it as a whole number. The whole part of it is 2.
A simple fraction represents a part of the whole.
14.2 is a mixed number and there is no way to represent it as a whole number. The whole part of it is 14.
The figure of speech used to represent the whole of a part or part of a whole is called synecdoche. It involves using a specific part of something to represent the entire thing or using the entire thing to represent just a part of it.
It is the numerator of a fraction which is above the denominator.
A fraction.
A synechdoche is a figure of speech in which a part is made to represent the whole or vice versa.For example: "Roosevelt declared war on Japan in 1941."Roosevelt stands in place of "the United States" as in public view, both equally represent each other.
810.4 is a fraction and there is no way to represent it as a whole number. The whole part of it is 810.
2.45 is a fraction and there is no way to represent it as a whole number. The whole part of it is 2.
synecdoche
A simple fraction represents a part of the whole.
5.28 is a mixed number and there is no way to represent it as a whole number. The whole part of it is 5.
7.052 is a mixed number and there is no way to represent it as a whole number. The whole part of it is 7.
6.148 is a mixed number and there is no way to represent it as a whole number. The whole part of it is 6.
4.875 is a mixed number and there is no way to represent it as a whole number. The whole part of it is 4.