90, 180, 270.
90, 180, 270
They are the first three multiples of LCM(5, 9), that is, the first three multiples of 45.
15, 30, 45
15, 30, and 45 are.
15, 30, 45
The first 10 multiples of 5 are: 5, 10, 15, 20, 25, 30, 35, 40, 45, and 50.
15, 30, 45
45, 90, 135
45, 90, 135
The first three multiples of 3 and 5 are 15, 30 and 45.
45, 90 and 135
5: 5, 10, 15 9: 9, 18, 27 If you are looking for the lowest common multiple between 5 and 9 it would be 45. By the way multiples are just counting by the number itself. e.g. 5, 10, 15, 20, 25, 30, 35 (just count by fives or if the number was anything else count by that number)