least common denominator

American  

noun

Mathematics.

1. the smallest number that is a common denominator of a given set of fractions.

---

least common denominator British  

noun

1. another name for lowest common denominator

---

Etymology

Origin of least common denominator

First recorded in 1870–75

Example Sentences

“Will there be a fight over which agency gets to be the least common denominator in setting standards for disclosure?” one research lobbyist wonders.

From Science Magazine

“You’ll hear people say that it’s the least common denominator that discourages gifted kids from advancing,” said Elizabeth Hull Barnes, the math supervisor for the district.

From Seattle Times

“Coming out of the gate, we really had to design for the least common denominator. We couldn’t assume that everybody” had access to low-dead-space syringes, said Kevin Nepveux, the Pfizer vice president who oversees new product rollouts in the manufacturing division.

From Washington Post

“Trying to find that least common denominator but it being the greatest common denominator for the community is going to be a challenge,” he said.

From Washington Times

Instead of appealing to the least common denominator among the voting public, she’s listening to and learning from voters in an ideas-driven campaign that doesn’t take voters for granted.

From The Guardian