Помогите сократить дроби: 30/66, 24/40, 27/54, 36/84, 45/120, 72/96
24/40 = 3·8/5·8 = 3/5
36/84 = 3·12/7·12 = 3/7
45/120 = 3·15/8·15 = 3/8
72/96 = 3·24/4·24 = 3/4
спасибо!!!