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Fundamental Law of Fractions


	The fundamental law of fractions states that the value of a fraction does not change when its numerator and denominator are both multiplied by the same non-zero number. It can be applied to add or subtract two fractions and . Multiply the first by and the second by . Then the fractions have a common denominator (not necessarily the lowest!) and the new numerators can be added:


	Contributed by: Jeff Bryant

Fraction (Wolfram MathWorld)

Numerator (Wolfram MathWorld)

Denominator (Wolfram MathWorld)

Rational Number (Wolfram MathWorld)

"Fundamental Law of Fractions" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/FundamentalLawOfFractions/

Contributed by: Jeff Bryant

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