Question

qual o mmc de 4 e 20?

Answer 1

4,20/2
2,10/2               2 x 2 x 5 = 4 x 5 = 20             ok
1,5/5
1,1

Answer 2

Vamos lá!

mmc ( 4 , 20 ) =

4 , 20 | 2

2 , 10 | 2

1 , 5 | 5

1 , 1

2 * 2 * 5 =

4 * 5 = 20

R :

MMC ( 4 , 20 ) = 20