Ответ:

  1. 5 7/8 − 2 = 3 7/8.
  2. 9 1/9 − 7 = 2 1/9.
  3. 8 3/7 − 4 = 4 3/7.
  4. 7 7/10 − 3 = 4 7/10.
  5. 7 − 3/13 = 6 10/13 = 6 10/13.
  6. 5 − 12/17 = 4 5/17.
  7. 1 − 3/14 = 11/14.
  8. 2 − 4/19 = 1 15/19.
  9. 3 − 1 5/14 = 1 9/14 = 1 9/14.
  10. 14 − 3 5/8 = 10 3/8.
  11. 5 − 2 7/12 = 2 5/12.
  12. 16 − 11 1/16 = 4 15/16.