Answer:
5
Step-by-step explanation:
Step-by-step explanation:
[1-2 -4+6 3-2 5+4]
[-1 2 1 9]
The least common multiple (LCM) of a set of numbers is the lowest value that all of the numbers can be divided by and have a result of a whole number.
In this case, the least common multiple is 21 because 21/7=3 and 21/21=1.