Subtracting Fractions

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Across
  1. 2. 5/7-2/3
  2. 3. 2/3-1/6
  3. 5. 4/6-4/8
  4. 7. 8/12-1/5
  5. 10. 5/6-2/6
  6. 11. 7/11-1/3
Down
  1. 1. 6/7-2/6
  2. 4. 4/5-2/3
  3. 6. 6/9-2/5
  4. 7. 2/3-3/8
  5. 8. 2/8-1/6
  6. 9. 6/10-4/8