The lowest common multiple of 7 and 12 is 84. Therefore, the multiples of 7 and 12 are multiples of 84. The first five are: 84 168 252 336 420
1, 2, 3, 4, 6
77, 144, 231, 308, 385
the first five multiples are 31, 62, 93, , 124, and 155
The first five multiples of 12 are: 12, 24, 36, 48, 60
Just multiply 7 x 1, 7 x 2, 7 x 3, etc.
140, 280, 420, 560, 700
3 and 7 multiplies to 21 and equals to 10
7, 31
1 and 4
6 and -1
7