MB's Math Crossword Puzzle

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Across
  1. 3. the top number of a fraction
  2. 5. fractions that mean the same amount.
  3. 7. the outside of a shape
  4. 8. A simplified number
Down
  1. 1. the bottom number of a fraction
  2. 2. the largest number that can go into a number.
  3. 4. Something that has a fraction and a whole number.
  4. 6. the inside of a shape
  5. 9. to make a fraction to its lowest terms.