Definition of Least Common Denominator

Math Menu

Puzzles

Calculators

Other Bits

Definitions -> L -> Least Common Denominator

Least Common Denominator
The smallest number that can be used for all denominators (the bottom number) of 2 or more fractions. Example: the Least Common Denominator of 1/2 and 2/3 is 6, because they can be written as 3/6 and 4/6. (Also called Lowest Common Denominator) See: Least Common Multiple