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Are the sum of two rational numbers rational or irrational?
They are always rational.
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.
What is the sum of three rational numbers?
It's always another rational number.
Is the sum of two or more rational numbers is it rational or irrational?
The sum of two rational numbers is rational.From there, it follows that the sum of a finite set of rational numbers is also rational.
Can the sum of two rational numbers always be written as a fraction?
Yes, the set of rational numbers is closed under addition.
Is it sometimes true when the sum of two rational numbers are rational?
No, it is always true
Is the sum of two rational numbers is it rational or irrational?
Such a sum is always rational.
Are the sum of two rational numbers rational or irrational?
They are always rational.
The sum of two rational numbers is a rational number?
Always true. (Never forget that whole numbers are rational numbers too - use a denominator of 1 yielding an improper fraction of the form of all rational numbers namely a/b.)
The sum of two rational numbers is always 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.
Which of the following correctly describes the sum of two rational numbers?
It is always rational.
What is the sum of three rational numbers?
It's always another rational number.
When adding two rational numbers with different signs the sum will be zero Is this aways sometimes or never true?
sometimes true (when the rational numbers are the same)
Is the sum of two or more rational numbers is it rational or irrational?
The sum of two rational numbers is rational.From there, it follows that the sum of a finite set of rational numbers is also rational.
Can the sum of two rational numbers always be written as a fraction?
Yes, the set of rational numbers is closed under addition.
When adding two positive rational numbers will the sum always be zero?
No
