396+512=908 Not clear what the point of the question was, you may want to adjust it.
The LCM is: 396
396, 792, 1188, and all other multiples of 396 are divisible by 396.
396 as percentage= 39600% 396 * 100% = 39600%
396
396
It is: 396/2 = 198
817- 396 = 421
360
396 + 825 = 1,221
It is: 396/12 = 33
808