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Numerator

In a fraction the numerator is above the fraction bar, the denominator is below this line.

 

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Explanation

The numerator is also called dividend and the denominator is called divisor

	Numerator	=	Dividend	= Quotient
	Denominator		Divisor

When calculating a fraction, a remainder may arise

Dividend ≡ Divisor × Quotient + Remainder

 

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Rational numbers

If the numerator and the denominator are both integers you have a rational number

 

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History The concepts numerator and denominator were introduced by the French mathematician Nicole Oresme (about 1323 - 1382).

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