a fraction having the numerator less, or lower in degree, than the denominator.
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Question 1 of 7
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Origin of proper fraction
First recorded in 1665–75
Words nearby proper fraction
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for proper fraction
a fraction in which the numerator has a lower absolute value than the denominator, as 1/2 or x /(3 + x ²)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for proper fraction
[ prŏp′ər ]
A fraction in which the numerator is less than the denominator, such as 12. Compare improper fraction.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.