How is 60 the lcm of 10 and 12?

Answer 1

The smaller multiples of 10 are: 10, 20, 30, 40, and 50.

None of them is a multiple of 12.

The smaller multiples of 12 are: 12, 24, 36, and 48.

None of them is a multiple of 10.

The smallest number that's a multiple of 10 and a multiple of 12 is . . . 60 .

Answer 2

60 is the smallest positive integer that both 10 and 12 divide into evenly with no remainder.