Сократить дробь:
а) 8 10, 4 6, 6 9, 10 25, 14 49, 9 15, 12 15, 14 18;
б) 8 12, 12 16, 12 18, 24 40, 18 27, 20 70, 8 36, 30 75.
а) 4 12, 5 15, 4 20, 8 16, 10 40, 5 50;
б) 2 4, 3 9, 4 16, 9 45, 11 66, 5 35.
а) 8/10= 4/5, 4/6= 2/3, 6/9= 2/3, 10/25= 2/5, 14/49= 2/7, 9/15= 3/5, 12/15= 4/5, 14/18= 7/9;