## Elementary Algebra

Published by Cengage Learning

# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - Chapter 1 Test - Page 39: 21

72

#### Work Step by Step

The multiples of $9$ are: {9,18,27,36,45,54,63,72,81....} The multiples of $24$ are: {24,48,72,96....} Therefore, the least common multiple of 9 and 24 is 72.

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