The LCM is 63.
LCM OF 9,3 AND 21 IS 63. CHECK FOR YOURSELF IF YOU ARE NOT SURE.
It is: 63
The LCM of 63 and 2 is 126. The LCM of 6, 3 and 2 is 6.
the LCM is 63
The LCM is: 63
The LCM is: 63
The LCM is: 63
7 x 9 = 63 3 x 21 = 63 Therefore, the LCM of 9 and 21 is 63.