Respuesta :

nfmt

660/168 =

(22 × 3 × 5 × 11)/(23 × 3 × 7) =

((22 × 3 × 5 × 11) ÷ (22 × 3)) / ((23 × 3 × 7) ÷ (22 × 3)) =

(5 × 11)/(2 × 7) =

55/14