(mathematics, number theory) A compound numerical expression consisting of an integer plus a fraction whose numerator is a positive integer and whose denominator is a continued fraction (an integer plus a fraction), and so on, with finite or infinite recursion.

(number theory) A representation of a rational number as a sum of distinct unit fractions. / (number theory, rare) A unit fraction.

(arithmetic) A fraction whose numerator is 1 and whose denominator is a positive integer; for example, 1/2 or 1/7.

(chemistry) the ratio of the number of moles of one component of a mixture to the total number of moles

(physics, chemistry) the separation of two solutes from the same solution by using either a solvent or a crystallization temperature such that only one solute is supersaturated and crystallizes out

(arithmetic) A vulgar fraction of which the numerator has a greater magnitude than the denominator, such as 3/2.

(arithmetic) A fraction in the form of one integer divided by another, non-zero, integer.

(arithmetic) A vulgar fraction in which the magnitude of the numerator is less than or equal to that of the denominator, such as 2/3.

(arithmetic) A fraction in the form of one integer divided by another, non-zero, integer.

plural of vulgar fraction