Prealgebra: Variables
Terms
Denominator
-
The number below the line in a fraction. Denotes how many parts the whole is divided
into.
Equivalent
-
Two fractions that express the same part of a whole. There is a number by which both
the numerator and denominator of one fraction can be multiplied or divided to yield an
equivalent fraction. 1/4, 2/8, and 3/12 are all equivalent fractions.
Fraction
-
Describes part of a whole. 3/4, 1/6, and 19/4 are all examples of fractions.
Improper Fraction
-
A fraction whose numerator is equal to or greater than its denominator.
Least Common Denominator
-
The least common multiple of the
denominators of
two or more fractions. That is, the lowest number which is a multiple of both denominators.
Lowest Terms
-
A fraction whose numerator and denominator have no common
factors is in lowest terms.
Mixed Number
-
A number composed of a whole number and a fraction.
Numerator
-
The number above the line in a fraction. Denotes the number of parts out of the whole
that are being taken.
Proper Fraction
-
A fraction whose numerator is smaller than its denominator.
Reduced
-
Written in lowest terms; that is, written as a fraction whose numerator and denominator have no common factors.
Repeating Decimals
-
Decimals that endlessly repeat one number or a group of numbers.
Terminating Decimals
-
Decimals that do not continue after a certain place (that continue in an endless string of zeros).
