а) 1/4: 3 1/2 б) 3 1/2: 2 1/3 в) 10 1/2: 3 1/2 г) 5 1/2: 3 1/2 д) 1 5/7: 3 3/4 е) 5 3/4: 7 2/3

а) 1/4 : 7/2 = 1/4 * 2/7 = 1/14б) 7/2 : 7/3 = 7/2 * 3/7 = 1,5в) 21/2 : 7/2 = 21/2 * 2/7 = 3г) 11/2 : 7/2 = 11/2 * 2/7 = 11/7д) 12/7 : 15/4 = 12/7 * 4/15 = 16/35е) 23/4 : 23/3 = 3/4