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# Unit 6 CCMath Vocab

### Fraction Equivalence and Ordering

fraction A fraction is a symbol, such 2/3, 5/1, or 8/5, used to name a part of a whole, a part of a set, a location on a number line, or a division of whole numbers.
denominator The quantity below the line in a fraction. It tells how many equal parts are in the whole.
numerator The quantity above the line in a fraction.
benchmark fraction Fractions that are commonly used for estimation. (1/4, ½, 1/3, 2/3, ¾)
equivalent fraction Fractions that name the same region, part of a set, or part of a segment.
prime number A number that has only 2 factors: 1 and itself.
composite number A number that has more than 2 factors.
common denominator If 2 or more fractions have the same denominator, these denominators are known as "common" (or the same).
common factor When 2 or more numbers have the same factor, that factor is the common factor
compose Putting together larger numbers using their smaller parts.
decomposing Breaking apart larger numbers using their smaller parts.
improper fraction A fraction with a numerator larger than its denominator.
mixed number A whole number combined with a fraction (or decimal). 2 1/2 or 2.5
simplest form A fraction is in simplest form when the greatest common factor (GCF) of the numerator and denominator is 1.
unit fraction A fraction where the numerator is a 1.
whole number A number that has no fractional or decimal part.