Collins COBUILD Advanced Learner's English Dictionary - lowest common denominator

(lowest common denominators) 1. If you describe a plan or policy as the lowest common denominator, you are critical of it because it has been deliberately made too simple so that nobody will disagree. Although the plan received unanimous approval, this does not mean that it represents the lowest common denominator. N-COUNT: usu sing c darkgreen]disapproval 2. If you say that something is designed to appeal to the lowest common denominator, you are critical of it because it is designed to be liked by the majority of people. Tabloid newspapers pander to the lowest common denominator. N-COUNT: usu sing c darkgreen]disapproval 3. In mathematics, the lowest common denominator is the smallest number that all the numbers on the bottom of a particular group of fractions can be divided into. (TECHNICAL) N-COUNT