1. 5/8 + 5/8 = 2. 3/4 + 3/4 = 3. 7/8 + 7/8 = 4. 1/4 + 1/4 = 5. 5/4 + 1 1/4 = 6. 5/4 + 2 1/2 = 7. 3/4 + 1 7/8 = 8. 3/8 + 7/8 = 9. 1 1/4 + 7/8 = 10. 2 1/2 + 3/8 = 11. 1 7/8 + 1 7/8 = 12. 1 3/4 + 1 3/4 = 13. 5/4 + 1 3/4 = 14. 3 1/2 – 5/4 = 15. 2 1/2 – 5/8 = 16. 2 3/4 – 7/8 = 17. 7/8 – 1/2 = 18. 1 1/8 – 5/8 = 19. 2 3/8 – 7/8 = 20. 2 7/8 – 1 3/8 = 21. 3 1/4 – 1/8 = 22. 2 5/8 – 1 1/8 = 23. 3/4 – 6/8 = 24. 7/8 – 5/8 = 25. 1 3/4 – 7/8 = Δ