Скоротіть дробы; а) 5/60 14/49 75/2001, 75/225 б) 2*5/4*10, 5*8/4*25, 17*3+17*7/17*20​

а) 5/60 = 1/12; 14/49 = 2/7; 75/200 = 3/8; 75/225 = 1/3

б) 2*5/4*10 = 10/40 = 1/4; 5*8/4*25 = 40/100 = 2/5;

17*3+17*7/17*20​ = (51+119)/340 = 170/340 = 1/2