1. The difference of two rational numbers is always a natural number.
2. The product of two rational numbers is always a rational number.
3. The quotient of two rational numbers is always a real number (provided the denominator is non-zero).
4. The sum of two rational numbers is always a rational number.
5. The ratio of two rational numbers is always positive
6. The difference of two rational numbers is always a rational number.
7. The quotient of two rational numbers is always a rational number (provided the denominator is non-zero).

Question

1. The difference of two rational numbers is always a natural number. 
  2. The product of two rational numbers is always a rational number. 
  3. The quotient of two rational numbers is always a real number (provided the denominator is non-zero). 
  4. The sum of two rational numbers is always a rational number. 
  5. The ratio of two rational numbers is always positive 
  6. The difference of two rational numbers is always a rational number. 
  7. The quotient of two rational numbers is always a rational number (provided the denominator is non-zero).

anonymous · Answer

So what exactly are you needing done...?