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Yes. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
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Earn +20 ptsQ: Is a rational number plus a rational number rational?
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Can a rational number plus an irrational number equal a rational number?
No, never.
Why does a rational number plus a rational number or a rational number multiplied by a rational number equal to rational number?
The way in which the binary functions, addition and multiplication, are defined on the set of rational numbers ensures that the set is closed under these two operations.
Can you subract an rational and irrational number and get an irrational number?
Yes. In fact, a rational plus or minus an irrational will always be irrational.
Is 13.92 plus 1.08 a rational number?
Yes.
What is an irrational plus two rational numbers?
Since the sum of two rational numbers is rational, the answer will be the same as for the sum of an irrational and a single rational number. It is always irrational.
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