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Yes.

This is the same as asking for one rational number to be subtracted from another; to do this each rational number is made into an equivalent rational number so that the two rational numbers have the same denominator, and then the numerators are subtracted which gives a rational number which may possibly be simplified.

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8y ago

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Yes. The sum, difference, product, and quotient (if the second number is not zero) of two rational numbers, are all rational.

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8y ago
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Yes, it is.

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8y ago
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Q: Is the difference of two rational numbers always rational?
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