- a common multiple of the denominators of two or more fractions: 10 is a common denominator of and
- a characteristic, element, etc. held in common
common denominatorcommon denominator
- Mathematics A quantity into which all the denominators of a set of fractions may be divided without a remainder.
- A commonly shared trait, characteristic, or element: “The relationship between the United States and Saudi Arabia has been a complicated marriage of shared interests, clashing values and cynical accommodations. The common denominator was a desire for stability” ( Peter Baker & Michael D. Shear ) “Some are citizens and some are immigrants, yet the common denominator in all these stories is their experiences of marginalization and discrimination” ( Maria Chávez )