12 and 15 have a sum of 27 and a difference of 3. Their LCM is 60.
3 and 360
3 and 4
30 and 3
The GCF of 9 and 15 is 3. The LCM is 45.
75 is LCM The numbers are 15 and 25 15 + 25 = 40 25 - 15 = 10 75 / 15 = 5 75 / 25 = 3
12 and 15 have a sum of 27 and a difference of 3. Their LCM is 60.
3 and 360
3 and 4
30 and 3
The GCF of 9 and 15 is 3. The LCM is 45.
3 and 360
3 and 17
13 and 3
45
When the numbers are co-prime, ie have no common factor. Simplest example is 2 & 3 whose LCM is 6
You need at least two numbers to find an LCM. If that's 5 and 3, the LCM is 15.