Помогите ПОЖАЛУЙСТА: Сократите дроби: 5/20 8/68 16/80 4/24 3/90 15/60 8/52 18/54 14/77 10/60 12/78 6/102 12/42 3/12. Помогите плиз :3

1/4, 2/17, 1/5, 1/6, 1/30, 1/4, 2/13, 1/3, 2/11, 1/6, 2/13, 1/17, 2/7, 1/4

5/20 - 1/4 - 0.258/68 - 2/1716/80 - 1/5 - 0.24/24 - 1/63/90 - 1/3015/60 - 1/4 - 0.258/52 - 2/1318/54 - 1/314/77 - 2/1110/60 - 1/612/78 - 2/136/102 - 1/1712/42 - 2/73/12 - 1/4