Explicación paso a paso:
10 20 30//10
1. 2. 3. //2
1. 1. 3 //3
1 1 1
mcm= 10x2x3=60
mcd= 60
16. 12 6// 4
4. 3. 6//4
1. 3. 6 //3
1. 1 2 //2
mcm= 4x4x3x2=96
mcd=4x3x2=24
