Rationals

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Across
  1. 6. Expression with denominator zero.
  2. 7. A combination of numbers, variables, and operations.
  3. 9. A ratio of two integers.
  4. 10. Same denominator for two or more fractions.
  5. 11. Inverse of a fraction, flipping numerator and denominator.
  6. 12. A statement that two expressions are equal.
Down
  1. 1. A symbol representing a number.
  2. 2. To split terms or expressions.
  3. 3. To eliminate common factors in numerator and denominator.
  4. 4. The smallest common denominator.
  5. 5. Operation to combine terms.
  6. 8. The top part of a fraction.