👉 In mathematics, a commensum is defined as a set of numbers such that every number in the set can be written as a ratio of two integers. These are called rational numbers. For example, the set {2, 4} represents the set of all even numbers between 1 and 3 (since 2/1 = 2 and 2/2 = 1). The set {5, 7, 9} also satisfies this property since every number in this
