Nola's puzzle

1234567
Across
  1. 3. the number on the bottom of a fraction
  2. 5. when a number has only 1 and itself as factors
  3. 7. the number both fractions have in common first
Down
  1. 1. fraction that are the same
  2. 2. when a number has been simplified to the max
  3. 4. the number on top of a fraction
  4. 6. when a number has more factors then 1 and itself