45
9 & 15
3 and 45 9 and 15
The LCM is 45.
LCM of 15 9 and 18 is 90. The LCM of 9, 15 and 18 is 90.
LCM(912, 15) = 4560.
The LCM of 3 and 9 is 9.
The Least Common Multiple (LCM) of 3, 9, and 15 is 45.
You need at least two numbers to find an LCM. If that's 39 and 15, the LCM is 195. If that's 3, 9 and 15, the LCM is 45.
3 and 9.
The LCM is 45.
12 and 9. Since both have to be multiples of 3 and sum to 21, the only pairs to consider are 3 and 18 6 and 15 9 and 12 Of these, 3 and 18 have an LCM of 18 and 6 and 15 have an LCM of 30.
You need at least two numbers to find an LCM.