Respuesta :
Answer:
105
Step-by-step explanation:
sry if my answer is wrong
Answer:
LCM=Least Common Multiple
Step-by-step explanation:
Let's use this:
1. LIST THE FIRST MULTIPLES OF 15 AND 21. UNTIL YOU SPOT A COMMON MULTIPLE
15:30, 45, 60,75, 90, 105, 120,
21:42, 63, 84, 105
105
Yeah! 105 is the LCM of these 2 numbers!
I hope this helps:)
