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Is the difference between two rational numbers always rational number

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4 votes
Hello,

An integer is a rational number (ex 5=5/1=10/2...)
The sum of 2 rationals is a rational.
Substract a rational is adding its opposite.
The difference of 2 rationals is always a rational (substraction is a intern law)
User Justin Iurman
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2 votes
Not always. It depends on the teacher and the school. Depends on the rules and how your being tought.
User Thotep
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