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