Do the rules for dividing integers apply to all rational numbers? Explain your reasoning.

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Solution

Division :
The quotient of two positive rational numbers is also positive integer.
$0.8 \div 0.1 = 8$
The quotient of two negative rational numbers is also positive integer.
$(- 2) \div (- 0.25) = 8$
The quotient of one positive rational number and one negative rational number is negative integer.
$- 1 \div \frac{1}{2} = - 2$
Hence,yes, the rules of dividing rational numbers are the same as that for integers.

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