numerator - the number above the bar in a fraction, denominator - the number below the bar in a fraction, fraction bar - separates the numerator and denominator, unit fractions - fractions with one as their numerator, proper fractions - fractions whose numerators are less than their denominator , improper fractions - fractions whose numerators are greater than their denominator, mixed numbers - fractions with whole and fractions parts, equivalent/equal fractions - fractions that name the same amount but have different numerators and denominators,

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