Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 4 - Decimals - 4.1 Reading and Writing Decimal Numbers - 4.1 Exercises - Page 270: 28

Answer

$31\frac{99}{100}$

Work Step by Step

We are given the number 31.99 and are asked to convert it into a fraction in simplest terms. The numerator will be the digits to the right of the decimal point, or 99. The denominator will be 100, because the rightmost digit of the decimal is in the hundredths place. The whole number portion will stay the same. $31.99=31\frac{99}{100}$

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