Question

Qual o MDC de 15,60??

Answer 1

15,60|   2
 15,30|  2
  15,15| 3
 5,5|  5
  0,0

MDC= 15 (3X5 por que são os únicos que dividiram os dois juntos)

Answer 2

$\large\boxed{\begin{array}{l} \begin{array}{c|c} 15,60 & 2 \\ 15,30 & 2 \\ 15,15 & \boxed{3} \\ 5,5& \boxed{5} \\ 1,1\end{array} \\ mdc(15,60)= 3\,.\,5 \\ mdc(15,60)=15\end{array}}$