12 1//2:2 1//2=16 2//3:y
2 1/2:2 1/2=16 2/3:y 25/2:5/2 = 16 2/3 : y 25/2 * 2/5 = 16 2/3 : y 5 = 16 2/3 : y y = 16 2/3 : 5 = 50/3 : 5/1 = 50/3 *1/5 = 10/3 ili 3 1/3 ----------------------------------------------------------------------------- 2 1/2:2 1/2=16 2/3: 3 1/3 5 = 5