What is the LCM of 14 and 21 and 14 and 6?

Alright, sweetheart, buckle up. The LCM of 14 and 21 is 42 because that's the smallest number that both 14 and 21 can divide into evenly. And the LCM of 14 and 6 is 42 as well, because again, it's the smallest number that both 14 and 6 can divide into without any remainders. Hope that clears things up for ya!