British Dictionary definitions for lowest common denominator

lowest common denominator

noun

the smallest integer or polynomial that is exactly divisible by each denominator of a set of fractionsAbbreviation: LCD, lcd Also called: least common denominator

Cultural definitions for lowest common denominator

lowest common denominator

The smallest number that can be divided evenly into two other numbers (seecommon denominator). When fractions with different denominators are added together, their denominators have to be made the same; thus, fractions with denominators of nine and twelve have thirty-six as a lowest common denominator. Seventy-two and 108 are also common denominators for fractions with denominators of nine and twelve, but thirty-six is the lowest.

notes for lowest common denominator

The term lowest common denominator is often used to indicate a lowering of quality resulting from a desire to find common ground for many people: “This fall's TV programming finds the lowest common denominator of taste.”