E --- low·est common denominator (lst)
1. See least common denominator.
a. The most basic, least sophisticated level of taste, sensibility, or opinion among a group of people.
b. The group having such taste, sensibility, or opinion: "The press can resist the standard of the lowest common denominator, the rationalization that all news is fit to print that has appeared anywhere else" (Edward M. Kennedy).
The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
D --- Die Redewendung kleinster gemeinsamer Nenner bezeichnet einen Kompromiss oder Konsens auf niedrigstem Niveau.http://de.wikipedia.org/wiki/Gemeinsamer_Nenner