The least common denominator of a collection of fractions
 |
is the least common multiple 
of their denominators.
Least Common Denominator
See also
Denominator, Fraction, Least Common Multiple, NumeratorThis entry contributed by Christopher Stover
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Cite this as:
Weisstein, Eric W., with contributions by Christopher Stover. "Least Common Denominator." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/LeastCommonDenominator.html