proper-fraction

proper fraction

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

Origin:
1665–75

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Collins
World English Dictionary
proper fraction
 
n
a fraction in which the numerator has a lower absolute value than the denominator, as ½ or x/(3 + x²)

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
proper fraction   (prŏp'ər)  Pronunciation Key 
A fraction in which the numerator is less than the denominator, such as 1/2 . Compare improper fraction.
The American Heritage® Science Dictionary
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