Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.5 Real Numbers and Their Properties; Clock Addition - Exercise Set 5.5 - Page 309: 46


$1 \div 4 = \frac{1}{4}$ 1 and 4 are natural numbers, but $\frac{1}{4}$ is not.

Work Step by Step

RECALL: Natural numbers are the counting numbers 1, 2, 3, ... Natural numbers are not closed with respect to division, as can be seen in the example below: 1 and 4 are natural numbers. However, $1 \div 4 = \frac{1}{4}$, which is not a natural number.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.