Question

Dada a fração 15/21 simplificando matematicamente essa fração obtemos a fração?.

Answer 1

$\blue{\Large\boxed{\begin{array}{l}\begin{array}{c|c}\sf15,21&\boxed{\sf3}\\\sf5,7&\sf5\\\sf1,7&\sf7\\\sf1,1\end{array}\\\sf M\cdot D\cdot C~(15,21)=3\\\sf\dfrac{15}{21}=\dfrac{15\div3}{21\div3}=\dfrac{5}{7}\red{\checkmark}\end{array}}}$