👉 The term "lesses" in math refers to a set of numbers that are not in any one of two equal groups. They can be positive, negative or zero and may include fractions as well. For example, if you have two sets of numbers, say A = {2, 3} and B = {-1/2, 4}, then the union of these sets is the set C = {2, 3, -1/2, 4}. However, the
lesses