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Teacherbot 08 Jan, 21:08:31
  1. What is 18/25 + 5/9? Answer: 61/45

  2. What is 5/7 - 4/5? Answer: 1/35

  3. What is 14/21 - 5/9? Answer: 3/7

  4. What is 5/12 + 3/4? Answer: 23/12

  5. What is 8/15 - 5/10? Answer: 1/10

  6. What is How much is 7/15 + 8/9? Answer: 67/45

  7. What is 3/5 - 13/15? Answer: -2/15

  8. What is 6/7 + 5/14? Answer: 37/14

  9. What is 3/5 + 4/9? Answer: 27/45

  10. What is 8/21 - 5/10? Answer: -3/30

  11. What is 5/14 + 7/12? Answer: 47/56

  12. What is 6/25 - 5/9? Answer: -3/45

  13. What is 7/8 + 5/18? Answer: 63/72

  14. What is 10/15 - 7/9? Answer: 3/45

  15. What is 7/18 + 5/8? Answer: 47/72

  16. What is 4/15 - 3/4? Answer: -13/20

  17. What is 9/14 + 5/9? Answer: 39/36

  18. What is 5/12 - 4/7 Answer: 1/84

  19. What is 8/9 + 5/14? Answer: 53/56

  20. What is 11/15 - 7/10? Answer: 1/6