[ Answer ]
[tex]\boxed{45}[/tex]
[ Explanation ]
LCM of 9 & 15
LCM - Least Common Multiple
The LCM is the smallest number that two or more numbers both fit into evenly
45 is the LCM because it is the smallest number that *both* 9 and 15 fit into evenly, without any numbers left over.
9 * 5 = 45
15 * 3 = 45
[tex]\boxed{[ \ Eclipsed \ ]}[/tex]
