proper fraction

noun

, Mathematics.

1. a fraction having the numerator less, or lower in degree, than the denominator.

proper fraction

noun

1. a fraction in which the numerator has a lower absolute value than the denominator, as 1 2 or x /(3 + x ²)

proper fraction

/ prŏp′ər /

1. A fraction in which the numerator is less than the denominator, such as 1 2 .
2. Compare improper fraction

Word History and Origins

Origin of proper fraction¹

First recorded in 1665–75

Example Sentences

A fractional number is called a proper fraction or an improper fraction according as the numerator is or is not less than the denominator; and an expression such as 21⁄6 is called a mixed number.

From Project Gutenberg

Aliquot Parts.—For multiplication by a proper fraction or a decimal, it is sometimes convenient, especially when we are dealing with mixed quantities, to convert the multiplier into the sum or difference of a number of fractions, each of which has 1 as its numerator.

From Project Gutenberg

In case the car is equipped with such a battery, each section must carry its proper fraction of the load and with lamps turned on or other electrical devices in operation the flow from the several sections must be the same for each one.

From Project Gutenberg

How hazardous this proceeding is may be gathered from the obvious fact that if the batsman fails to get his bat exactly in the proper place in exactly the proper fraction of a second, he will infallibly have to retire either with a fractured skull or "leg before wicket."

From Project Gutenberg

In the case of articles which would not necessarily be replaced every year, what was considered to be a proper fraction of the cost in October, 1919, is given.

From Project Gutenberg