Respuesta :

Answer: 45

Step-by-step explanation:

By factor method,

3 = 1, 3

9= 3, 3

15= 3, 5

LCM= 3*3*5

=45

Answer:

45

Step-by-step explanation:

Multiples of 3: 3, 6, 9, 12, 15, 18, 27, 30, 33, 36, 39 , 41, 45, ...

Multiples of 9: 9, 18, 27, 36, 45...

Multiples of 15: 15, 30, 45, 60,...

The lowest multiple they have in common is 45