Simplifying Fractions to Lowest Terms

Name: _______________________________
Date: _______________________________

Instructions: Simplify each fraction to its lowest terms by finding the greatest common factor (GCF) of the numerator and denominator, then dividing both by the GCF.

Part A: Warm-up Fractions

1. 4⁄8 = __________
2. 6⁄9 = __________
3. 10⁄15 = __________
4. 12⁄16 = __________
5. 8⁄12 = __________
6. 15⁄20 = __________

Part B: Medium Challenge

7. 18⁄24 = __________
8. 14⁄21 = __________
9. 20⁄30 = __________
10. 25⁄35 = __________
11. 16⁄40 = __________
12. 27⁄36 = __________

Part C: Harder Fractions

13. 24⁄32 = __________
14. 45⁄60 = __________
15. 36⁄48 = __________
16. 28⁄42 = __________
17. 32⁄56 = __________
18. 40⁄64 = __________

Part D: Challenge Questions

19. 48⁄72 = __________
20. 54⁄81 = __________