Rational number

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Across
  1. 2. There are _______ rational numbers between two integers.
  2. 3. For any rational a ; a ÷ 0 is _______.
  3. 5. All the positive integers excluding 0 are known as _______ numbers.
  4. 8. The _______ of two integers may not lead to the formation of another integer.
  5. 11. Reciprocal is also known as the multiplicative __________.
  6. 12. The addition and multiplication of whole number integers and rational numbers is _________.
  7. 13. multiplication of a number by its reciprocal gives _____.
Down
  1. 1. 2/3 and -5/4 are___________ numbers.
  2. 4. The number line extends _______ on both sides.
  3. 6. The _______ inverse of a/b is -a/b.
  4. 7. Since 1/0 doesn’t exist hence 0 has no ________.
  5. 9. The multiplication of rational numbers is commutative and ______.
  6. 10. Rational numbers can be represented on a _______ line.