Fraction, rational number representing a part of whole piece or (more generally) any number of equal parts, Numerator, A number in upper part of a fraction, which shows how many equal part there are in that fraction, Denominator, A number in lower part of a fraction which shows have many equal pieces are in one whole, Fraction bar, the line separation numerator and denominator, Reduction, reducing numerator and denominator by the same numer, Expanding, multipying numerator and denominator by the same number, +, addition, -, substraction, /, division, x, multiplication.

Fractions

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