60
60, 120, 180
The multiples of 12 are 12, 24, 36, 48, 60... The multiples of 15 are 15, 30, 45, 60... 60 is the LCM of 12 and 15 because it is the first common multiple of these two numbers.
60, 120, 180
60, 120, 180
180, 360, 540
The first 5 multiples of 12 are: 12, 24, 36, 48, and 60.The first 5 multiples of 15 are: 15, 30, 45, 60, and 75.
Since 3 is a factor of 15, the first three common multiples of 3 and 15 are 15, 30, and 45.
The first 3 multiples of 9 are: 9, 18, and 27.The first 3 multiples of 12 are: 12, 24, and 36.
The common multiples of 12 and 15 include 60, 120, 180, 240, 300, 360, 420, 480, 540, 600, 660, and an infinite number of others. They are the multiples of 60, which is the least common multiple of 12 and 15.
the first two common multiples of 15,27 are 135,270
The LCM is 60.