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common factor |
An integer that will divide exactly (meaning there is no remainder)
into two or more integers. Commonly used in simplifying fractions. |
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composite number |
Any number that has more than itself and one as factors, i.e.,
is not a prime number. |
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denominator |
Any integer b, except for zero, in a fraction written
in the form a/b. |
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equivalent fractions |
Fractions which have the same value. |
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factor |
Any integer that can be divided exactly (meaning there is no
remainder) into a given number. |
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factor tree |
A visual representation used to show the prime factors of a number. |
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fraction |
Representation of the quotient of two numbers, a and b,
written in the form a/b where  . |
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fraction bar |
The line in a fraction that separates the numerator and denominator. |
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greatest common factor (GCF) |
The largest integer factor that two or more numbers have in common.
The GCF is most often used to simplify fractions. |
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integer |
Positive and negative whole numbers. |
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least common denominator (LCD) |
The least common multiple of the denominators of a group of fractions. |
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multiple |
The result of multiplying a number by a whole number. For example,
40 is a multiple of 5, given 5 x 8= 40. |
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multiplier |
An integer multiplied with both the numerator and denominator
of a fraction. |
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numerator |
Any integer a, in a fraction written in the form a/b |
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prime factor |
Prime numbers that are factors of an integer. |
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prime factorization |
An expansion of a product of primes, used to find common factors
and to help simplify fractions. |
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prime number |
A number that has only two factors, 1 and itself. |
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reciprocal |
The multiplicative inverse of a given quatity. It is formed by
dividing 1 by the given quantity. To find the reciprocal of a
fraction, simply "flip it over." |
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simplified fraction |
A fraction which has had all common factors of the numerator
and denominator canceled. |
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inequality symbols |
> greater than or equal to
< less than or equal to
> greater than
< less than
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