wikiHow Adding and Subtracting Fractions Practice Problems 1. 1/4 + 1/4 2. 1/2 + 1/3 3. 2/5 - 1/5 4. 3/4 + 1/8 5. 5/6 - 2/3 6. 2/3 + 1/3 7. 3/5 + 2/5 8. 1/3 - 1/6 9. 5/8 - 3/8 10. 2/7 + 1/14 11. 1/5 + 2/5 12. 2/3 - 1/2 13. 3/8 + 1/4 14. 1/6 - 1/8 15. 5/9 - 2/9 16. 1/2 + 1/4 17. 2/5 - 1/4 18. 4/5 + 1/5 19. 3/4 - 1/6 20. 1/3 + 1/9 Page