Question

The LCM of two numbers is 60. The difference of two numbers is 3.

Answer 1

15 and 12 satisfy these conditions.  You can check this by subtracting to find 15-12=3, and by finding the least common multiple.  15=3*5 and 12=3*2*2, so the LCM will be 3*2*2*5, or 60.