Question

mcm(21 ; 42 y 126) por faaaaaa

Answer 1

21 -42-126|3
7- 14 - 42 |7
1 - 2 - 6 |2
1 - 1- 3 |3
1-1-1
entonces... mcm(21,42,126)= 3x7x2x3 = 126

Answer 2

21/3
7/7
1

42/2
21/3
7/7
1

126/2
63/3
21/3
7/7
1. mcm:2×3×3×7=126