Rational Numbers

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Across
  1. 2. This operation by zero is not defined
  2. 4. Numbers starting from 1
  3. 5. name the property a(b+c)=(a*b)+(a*c)
  4. 7. Additive inverse of a number
  5. 10. Number in the form of p/q, where q!=0
  6. 11. Multiplicative identity of rational numbers
  7. 13. name the property a+b = c
  8. 14. name the property a+b = b+a
  9. 16. method of representing rational numbers
Down
  1. 1. name the property (a+b)+c = (a+c)+b
  2. 3. Combination of whole natural and negative nos.
  3. 6. Additive identity of rational numbers
  4. 8. A form where p/q has no common factors
  5. 9. Multiplicative inverse
  6. 12. All natural numbers including zero
  7. 15. Rational number without having its sign