Adding Fractions Crossword

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Across
  1. 6. 1/6+2/5
  2. 7. 2 2/5+ 6 1/3+ 4 1/15
  3. 8. 1/4+ 1/12+ 1/3
Down
  1. 1. 1/3+5/9
  2. 2. 1/5+3/5
  3. 3. 1/6+ 2/9+1/18
  4. 4. 4/5+3/10+1/4
  5. 5. 2/3+1/6