21 and 4 for a start
4 times 21 equals 84.
28*21 equals 84
The LCM is 84.The LCM is 84.
The LCM is 84.
84 times 97 equals 8148
The LCM is 84.
112
The LCM is 84.
The LCM is 84.
LCM of 18 and 84 is 252.
Since 84 is a multiple of 28, it is automatically the LCM.
9 times 28/3 = 84