Question

me ajudem!!!!
por favor

Answer 1

$a)~sim.~\frac{4}{12},~\frac{2}{6}~e~\frac{1}{3}~sao~equivalentes.\\ \\ b)~nao.~\frac{6}{12},~\frac{5}{6}~e~\frac{2}{3}~nao~sao~equivalentes\\ \\ c)~\frac{8}{12},~\frac{4}{6}~e~\frac{2}{3}$