Помогите пожалуйста
8/14 = 4/7; 22/28 = 11/14; 70/140 = 10/20; 35/75 = 7/15; 18/48 = 9/24; 9/27 = 1/9
3*5/10*12 = 1*1/2*4 = 1/8; 6*4/12*28 = 3*1/3*14 = 3/42