Решите задание по теме 'Сокращение дробей'.

1. 5/30 = 1/6, 3/45 = 1/15, 4/36 = 1/9, 5/40 = 1/8. 2. 2/32 = 1/16, 14/18 = 7/9, 4/20 = 1/5, 6/42 = 1/7. 3. 8/44 = 2/11, 6/24 = 1/4, 6/14 = 3/7, 5/80 = 1/16. 4. 6/84 = 1/14, 3/54 = 1/18, 3/39 = 1/13, 4/90 = 2/45. 5. 10/100 = 1/10, 8/88 = 1/11, 20/20 = 1, 4/42 = 2/21. 6. 6/54 = 1/9, 2/16 = 1/8, 10/45 = 2/9, 4/24 = 1/6. 7. 4/60 = 1/15, 14/34 = 7/17, 7/42 = 1/6, 3/18 = 1/6. 8. 5/35 = 1/7, 6/21 = 2/7, 5/25 = 1/5, 6/18 = 1/3. 9. 2/38 = 1/19, 4/64 = 1/16, 40/90 = 4/9, 37/74 = 1/2. 10. 6/96 = 1/16, 9/18 = 1/2, 20/80 = 1/4, 3/30 = 1/10. 11. 14/77 = 2/11, 21/35 = 3/5, 22/66 = 1/3, 3/39 = 1/13. 12. 5/60 = 1/12, 20/42 = 10/21, 14/42 = 1/3, 25/100 = 1/4.