The LCM is 405. 9 and 81 have an LCM of 81. 9 and 45 have an LCM of 45. 45 and 81 have an LCM of 405 (5 x 81, 9 x 45).
The LCM is 405.
405
Since 45 is a multiple of 9, it is automatically the LCM.
it is 810405
81
The LCM is: 2,025
The LCM is 45.
810
The LCM is 45.
The LCM is 45.
It is: 2025