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