To create Least common multiple we need 1) all numbers, and if they are repeating more than one time, we take largest number of repetitions (we have 2 repetitions of 3 in 9, so we will take 3*3) So, for number part 3*3*4 = 36
2) For letter part, we will take the letter with the highest exponent. So, we will take w⁴.