Dictionary.com

improper fraction

noun Mathematics.

a fraction having the numerator greater than the denominator.

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To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
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Origin of improper fraction

First recorded in 1535–45

Words nearby improper fraction

improbability, improbable, improbity, impromptu, improper, improper fraction, Improperia, improper integral, impropriate, impropriety, improv
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for improper fraction

improper fraction

noun

a fraction in which the numerator has a greater absolute value or degree than the denominator, as 7/6 or (x ² + 3)/(x + 1)
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 improper fraction

improper fraction
[ ĭm-prŏp′ər ]

A fraction in which the numerator is greater than or equal to the denominator, such as 32. Compare proper fraction.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.