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

“The screen was lit up, and it said: ‘Today’s arithmetic lesson is on the addition of proper fractions.

From Washington Post

So 1/2, 2/3, and 3/4 are all proper fractions.

From Scientific American

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

A proper fraction is —— than a unit, because it expresses —— parts than a unit contains.

From Project Gutenberg

The typical kind that you’re used to dealing with on an everyday basis—the vanilla flavored guys—are called “proper fractions.”

From Scientific American