De*nom"i*na`tor(?), n. [Cf. F. dnominateur.] 1. One who, or that which, gives a name; origin or source of a name.
This opinion that Aram . . . was the father and denomination of the Syrians in general.Sir W. Raleigh.
(Arith.) That number placed below the line in common fractions which shows into how many parts the integer or unit is divided.
Thus, in , 5 is the denominator, showing that the integer is divided into five parts; and the numerator, 3, shows how many parts are taken.
(Alg.) That part of any expression under a fractional form which is situated below the horizontal line signifying division.
In this sense, the denominator is not necessarily a number, but may be any expression, either positive or negative, real or imaginary.
Davies & Peck (Math. Dict.)
common denominator a number which can divide either of two or more other numbers without leaving a remainder in any of the divisions; as, 2 and 4 are
common denominators of 12 and 28.. --
greatest common denominator the largest
common denominator of two or more numbers; as, 9 is the
greatest common denominator of 18 and 27..
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Wed 12th December 2018