common denominator

For radioactive elements, “there’s no real common denominator. ... They belong to all different kinds of chemical families,” said Ira Helfand, past president of the International Physicians for the Prevention of Nuclear War.

There are some common denominators causing stress on the system that will take radical reform to tackle.

I think we go with a feeling as a common denominator.

Using the stadium as a common denominator allows the film's timeline to jump back and forth and explore how Sir Elton, and society around him, has changed over the decades.

But as his offensive production has declined at the plate, with the sixth-year catcher setting career lows for OPS in back-to-back campaigns, there’s been one common denominator to what he’s been missing.