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No - the sum of any two rational numbers is still rational:

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The sum of a rational number and an irrational number is?

The sum of a rational and irrational number must be an irrational number.


May the sum of a rational and an irrational number only be a rational number?

No. In fact the sum of a rational and an irrational MUST be irrational.


What is the sum of a rational number and irrational number?

The value of the sum depends on the values of the rational number and the irrational number.


Is the sum of a rational and irrational number rational or irrational?

It is always irrational.


What does The sum of a rational number and irrational number equal?

The sum is irrational.


The sum of a rational number and an irrational number?

Such a sum is always irrational.


What is the sum of an rational number and irrational number?

An irrational number.


What is The sum of a ration and an irrational number?

The sum of the three can be rational or irrational.


Which number can be added to a rational number to explain that the sum of rational number and an irrational number is irrational?

Any, and every, irrational number will do.


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.


Is the sum of any two irrational number is an irrational number?

The sum of two irrational numbers may be rational, or irrational.


The sum of rational numbers and an irrational number?

It is always an irrational number.


Is it true that sum of a rational number and irrational number is irrational?

Yes


Is the sum or difference of a rational number and an irrational number is irrational?

Yes.


What is the classification of the sum of a rational number and an irrational number?

It is always an irrational number.


Is the sum of a rational and irrational number never an irrational number?

Wrong. It is always an irrational number.


Is the sum of an irrational number and rational always irrational?

Yes.


Explain why the sum of a rational number and an irrational number is an irrational number?

Let R1 = rational number Let X = irrational number Assume R1 + X = (some rational number) We add -R1 to both sides, and we get: -R1 + x = (some irrational number) + (-R1), thus X = (SIR) + (-R1), which implies that X, an irrational number, is the sum of two rational numbers, which is a contradiction. Thus, the sum of a rational number and an irrational number is always irrational. (Proof by contradiction)


Can you add an irrational number and a rational number?

Let `a` be a rational number and `b` be an irrational number,assume that the sum is rational. 1.a +b =c Where a and c are rational and b is irrational. 2.b=c-a Subtracting the same number a from each side. 3.b is irrational c-a is a rational number we arrived at a contradiction. So the sum is an irrational number.


Adding rational number and an irrational number to get a rational number?

The sum of a rational and an irrational number is always irrational. Here is a brief proof:Let a be a rational number and b be an irrational number, and c = a + b their sum. By way of contradiction, suppose c is also rational. Then we can write b = c - a. But since c and a are both rational, so is their difference, and this means that bis rational as well. But we already said that b is an irrational number. This is a contradiction, and hence the original assumption was false. Namely, the sum c must be an irrational number.