Adding Fractions

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