Respuesta :

HCF: is 3
LCM: is 60
That’s bc..
12: 1,2,3,4,6,12
15:1,3,5,15
So the HCF is 3

12: 12,24,36,48,60 etc.
15: 15,30,45,60 etc.
So the LCM is 60

Hope this helped u