30,60,90
The way to solve this is as follows:Find the least common multiple of the two numbers.Multiply this least common multiple by 2 and by 3, to get the next two common multiples.
117, 234 and 351
65, 130, 195
The Least Common Multiple (LCM) of (54,63) is 378.
24.
12
15
33
6
12
It is: 6
it's three.