To find the LCM, just keep multiplying until you find the answer 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36 12, 24, 36 18, 36 36
-12 + 18 - (-15) = -12 + 18 +15 = 21
LCM(21, 42, 18) = 126
18/21 x 15 is 12 6/7
3, 6, 9, 12, 15, 18, 21, 24, 278, 16, 24, 32
The LCM is 2520.
12 and 9. Since both have to be multiples of 3 and sum to 21, the only pairs to consider are 3 and 18 6 and 15 9 and 12 Of these, 3 and 18 have an LCM of 18 and 6 and 15 have an LCM of 30.
The LCM is 630.
630
The least common multiple of the numbers 7, 18 and 21 is 126.
It is: 420
2520
The least common multiple is the smallest positive number that is the multiple of two or more numbers. 3: 3, 6, 9, 12, 15, 18, 21 21: 21 The LCM of 3 and 21 is 21.
To find the LCM, just keep multiplying until you find the answer 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36 12, 24, 36 18, 36 36
For 35, 25, 21, 18, 12 the LCM is: 6,300
The LCM of 21 and 18 is 126.
The multiples of 3 are: 3, 6, 9, 12, 15, 18, 21, etc ...The multiples of 6 are: 6, 12, 18, 24, etc ...The multiples of 18 are: 18, 36, 54, etc ...The lowest multiple common to 3, 6, and 18 is 18, so the LCM = 18.