выразите дроби в более мелких долях.
1. 2. 3. 1. 5. 4. 3. 5. 7. 9
3. 5. 4. 7. 8. 9. 10. 6. 11.20

1/3 = 2/6, 3/9....2/5 = 4/10, 6/15....3/4 = 6/8, 9/12....1/7 = 2/14, 3/21....5/8 = 10/16, 15/24...4/9 = 8/18, 12/27...3/10 = 6/20, 9/30....5/6 = 10/12, 15/18...7/11 = 14/22, 21/33...9/20 = 18/40, 27/60...