Răspuns:
c.m.m.m.c.={45, 60}=[tex]3^{2}[/tex]·5·[tex]2^{2}[/tex]
45=5·[tex]3^{2}[/tex]
60=3·5·[tex]2^{2}[/tex]
45:5 60:3
9:3 20:5
3:3 4:2
1 2:2
1
