common denominator An integer that is exactly divisible by all the denominators of a group of fractions. Used in adding or subtracting fractions where the first step is to express each fraction as an equivalent fraction with a common denominator.
common denominator
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。