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15 votes
Is the sum of two rational numbers rational or irrational? Explain

User RDK
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1 Answer

14 votes
14 votes

The sum of two rational numbers is also rational

That is;

Let a/b be a raional number and let e/f be another rational number

where b and f are non-zero numbers

Then there sum which is;

a/b + e/f = a.f + b.e /b.f which is also another rational number

User Insign
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