Q, the notation denoting rational numbers, a rational number is, a number that can be written as p/q, where p and q are integers but q is not equal to 0, N and Z are, subsets of Q, numerator, the top number of a fraction, denominator, the bottom number in a fraction, 'of' means, multiplication, proper fractions, numerator is less than denominator, always less than 1, improper fractions, numerator is equal to or greater than the denominator, mixed numbers, integers and proper fractions together, equivalent fractions, fractions that represent the same amount, to find equivalent fractions, multiply or divide the numerator and the denominator by the same number, to order fractions, write them as equivalent fractions and put them in ascending or descending order, adding and subtracting fractions, bring all to the lowest common denominator and add or subtract the numerators, multiplying fractions, top by top/bottom by bottom, dividing fractions, flip the second fraction, flip the operation, the reciprocal of a/b is, b/a, simplest form, dividing numerator and denominator by the same number until it's not possible anymore, to express a quantity as a fraction as another, both quantities need to be in the same units

Rational Numbers

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