Risolvi la seguente moltiplicazione
$$\frac{120}{72}\times\frac{2}{15}\times4=$$
$$\frac{120}{15}\times\frac{2}{72}\times4=$$
$$\frac{120}{15}\times\frac{8}{72}=$$
$$M.C.D.(120;15)=15\quad M.C.D.(8;72)=8$$
$$8\times\frac{1}{9}=$$
$$\frac{8}{9}$$
$$\frac{120}{72}\times\frac{2}{15}\times4=$$
$$\frac{120}{15}\times\frac{2}{72}\times4=$$
$$\frac{120}{15}\times\frac{8}{72}=$$
$$M.C.D.(120;15)=15\quad M.C.D.(8;72)=8$$
$$8\times\frac{1}{9}=$$
$$\frac{8}{9}$$