Because a unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer.
Uni Means one. So i think u can i hopes this helped a little bit :) ;
A unit fraction has a numerator of 1 and a positive integer as a denominator. To determine if a fraction is a unit fraction, check that the numerator is 1 and the denominator is a positive whole number. Examples of unit fractions include 3 1 and 8 1 .
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