Respuesta :

Answer:

18

Step-by-step explanation:

product of prime factors

9=3^2

18=2*3^2

LCM of 9 and 18 = 2*3^2

=18

Answer: 18

Reason:

Multiple Of Nine: 9, 18
Multiple Of Eighteen: 18

18 is the first multiple they both same (aka Least Common Multiple).

Hope this helps!