Question

Mmc de:
4,6
2,3,6
6,15

Answer 1

4-6-2-3-6-6-15 /2
2-3-1-3-3-3-15 /2
1-3-1-3-3-3-15 /3
1-1-1-1-1-1-5 /5 
1-1-1-1-1-1-1/60