10/7 es equivalente a 168/56
$${\frac{{\mathtt{10}}}{{\mathtt{7}}}} = {\mathtt{1.428\: \!571\: \!428\: \!571\: \!428\: \!6}}$$
$${\frac{{\mathtt{168}}}{{\mathtt{56}}}} = {\mathtt{3}}$$
No son equivalentes.