We write it as \({A}\cap{B}\). In the example above \({A}\cap{B}\) = {6, 7, 9, 12}. The union of a Venn diagram is the numbers that are in either Set A or Set B. The union of the above example is ...

The lowest common multiple (LCM) of two or more numbers can be found using the union of sets. For this it is important to know about common factors. The Venn diagram shows the number of people in ...