A fraction can be a proper fraction or an improper fraction. An improper fraction written as an integer with a fraction is called a mixed number.

If n is the numerator and d the denominator of a fraction, that fraction is defined a (reduced) proper fraction if and only if GCD(n,d)==1. For example 5/16 is a proper fraction, while 6/16 is not, as ...

•&&Students need to be exposed to a range of fraction ideas and representations in order to fully understand the difficult concept of “fraction”. •&&Students who only work with, for example, circles ...