fraction$29789$ - definizione. Che cos'è fraction$29789$
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Cosa (chi) è fraction$29789$ - definizione

SORT OF MATHEMATICAL EXPRESSION
Rational fraction; Rational algebraic fraction; Irrational fraction; Mixed expression

Mole fraction         
PROPORTION OF A CONSTITUENT TO THE TOTAL AMOUNT OF ALL CONSTITUENTS IN A MIXTURE, EXPRESSED IN MOL/MOL
Mole fration; Amount fraction; Mole fractions; Mole Fraction; Mole Percentage; Number fraction; Mole percent; Mol%; Percent by mass; Molar fraction; Molar ratio
In chemistry, the mole fraction or molar fraction (xi or ) is defined as unit of the amount of a constituent (expressed in moles), ni, divided by the total amount of all constituents in a mixture (also expressed in moles), ntot. This expression is given below:
Irreducible fraction         
FULLY SIMPLIFIED FRACTION
In lowest terms; Lowest terms; Lowest Terms; Reduced fraction; Fully reduced fraction; Completely reduced fraction; Reducible fraction
An irreducible fraction (or fraction in lowest terms, simplest form or reduced fraction) is a fraction in which the numerator and denominator are integers that have no other common divisors than 1 (and −1, when negative numbers are considered). In other words, a fraction is irreducible if and only if a and b are coprime, that is, if a and b have a greatest common divisor of 1.
Fraction (chemistry)         
IN CHEMISTRY, THE RESULT OF A FRACTIONATING SEPARATION PROCESS
Distillation fraction
A fraction in chemistry is a quantity collected from a batch of a substance in a fractionating separation process. In such a process, a mixture is separated into fractions, which have compositions that vary according to a gradient.

Wikipedia

Algebraic fraction

In algebra, an algebraic fraction is a fraction whose numerator and denominator are algebraic expressions. Two examples of algebraic fractions are 3 x x 2 + 2 x 3 {\displaystyle {\frac {3x}{x^{2}+2x-3}}} and x + 2 x 2 3 {\displaystyle {\frac {\sqrt {x+2}}{x^{2}-3}}} . Algebraic fractions are subject to the same laws as arithmetic fractions.

A rational fraction is an algebraic fraction whose numerator and denominator are both polynomials. Thus 3 x x 2 + 2 x 3 {\displaystyle {\frac {3x}{x^{2}+2x-3}}} is a rational fraction, but not x + 2 x 2 3 , {\displaystyle {\frac {\sqrt {x+2}}{x^{2}-3}},} because the numerator contains a square root function.