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19 Cards in this Set

  • Front
  • Back
numerator
how many of the parts being considered
denominator
number of equal parts in the whole
proper fraction
a fraction whose numerator is less than its denominator
improper fraction
a fraction whose numerator is greater than its denominator
equivalent fractions
fractions that represent the same portion of a whole
fundamental property of fractions
if we multiply or divide both the n. and the d. by the same nonzero number the result is an equivalent fraction
composite number
a natural number greater than 1 that is not prime
prime factorization
when a composite number is written as a product of prime numbers
factor
any number that divides a number evenly (remainder of 0)
divisibility tests
2 if last digit is 0,2,4,6,8
3 if the sum of digits is divisible by 3
5 if its last digit is 0 or 5
10 if its last digit is 0
simplest form, lowest terms
when the n. and d. have no common factors other than 1
simplifying the fraction
writing a fraction in its lowest terms
reciprocals
2 numbers are reciprocals of each other if their product is 1
like fractions
have the same or a common denominator
unlike fractions
have different denominators
common denominator
finding the denominator that both d. can divide equally into
LCD/LCM LOWEST COMMON DENOMINATOR/LOWEST COMMON MULTIPLE
the smallest positive number divisible by all the denominators in the list
complex fractions
fraction whose numerator or demoninator or both contain fractions
mixed number
contains a whole number and a proper fraction