Answer
A real number cannot be both rational and irrational because rational numbers terminate or repeat, while irrational numbers do not terminate.
Work Step by Step
The differences between the two are further explained on page 7.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.