48. 3/8 : 1/9 : 5/16

48. 3/8 : 1/9 : 5/16 = 3/8 * 9/1 * 16/5 = (3 * 9 * 16) / (8 * 1 * 5) = 432/40 = 10 32/40 = 10 4/5

Ответ: 10 4/5