Question

qual o m.m.c de 20 e 42?

Answer 1

20/2
10/2
5/5
1

42/2
21/3
7/7
1

Answer 2

Vou te ajudar !!!

20 42 / 2
10 21 /2
5 / 21 /3
5 / 7  /5
1 /  7 /7
1 / 1        M.M.C = 420