İşte 20 tane kesirlerle toplama işlemi örneği: 1. 1/2 + 1/4 = 3/4. 2. 2/3 + 1/6 = 5/6. 3. 3/8 + 5/16 = 11/16. 4. 7/10 + 3/20 = 14/20. 5. 9/12 + 4/6 = 13/12. 6. 5/7 + 2/3 = 17/21. 7. 6/15 + 3/5 = 9/15. 8. 4/9 + 2/3 = 8/9. 9. 8/11 + 3/4 = 35/44. 10. 3/5 + 4/7 = 21/35. 11. 2/3 + 5/8 = 19/24. 12. 7/12 + 5/6 = 11/12. 13. 4/7 + 3/8 = 35/56. 14. 5/6 + 2/3 = 7/2. 15. 3/4 + 5/12 = 11/12. 16. 8/9 + 2/3 = 14/9. 17. 6/7 + 3/5 = 48/35. 18. 9/10 + 3/5 = 18/10. 19. 7/8 + 5/6 = 29/24. 20. 5/6 + 3/4 = 13/12.