11/8*3, 8/51*17/20, 1 7/18*1 1/5, 3/7/6, 1 7/9/5 1/3
11/8*3=33/8 8/51*17/20= 2/15 1 целая 7/18* 1 целая 1/5 = 1 целая 2/3 3/7/6 = 1/14 1 целая 7/9/5*1/3 = 16/135 Вабба, лабба, даб, даб!