fraction, represents one part of a whole thing, numerator, the top number of a fraction, denominator, the bottom number of a fraction, proper fraction, top number is less than the bottom number, improper fraction, top number is greater than the bottom number, mixed number, whole number with a proper fraction, reciprocal, flip numerator and denominator, operation, what you DO: add, subtract, multiply, or divide, how to divide fractions, keep, change, flip

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