Question

Qual é o mmc de 20, 15, 18?

Answer 1

20,15,18   2
10,15,9     2
5,15,9      3
5,5,3        3
5,5,1       5
1,1,1

mmc(20,15,18)= 2x2x3x3x5= 180

Answer 2

20= 20/2 = 10/2= 5/5=1

15=15/3=5 5/5=5 5/5=1

18= 18/2=9 9/3=3 3/3=1