最简分数
最简分数或既约分数指的是分子与分母互质的分数。
若一分数可表为
,且
(整数),
,则称
为最简分数。
假若p和q还有别的公因数,则其非最简分数。若
,且设
则
。
其中
为
的最简分数。
最简分数例如
、
或
。而
不是,因为
,因而
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| 词汇 | Irreducible fraction | |||||||||||||||||||
| 分类 | 英语词汇 英语翻译词典 | |||||||||||||||||||
| 释义 |
Irreducible fraction
中文百科
最简分数最简分数或既约分数指的是分子与分母互质的分数。
若一分数可表为 最简分数例如
英语百科
Irreducible fraction 最简分数An irreducible fraction (or fraction in lowest terms or reduced fraction) is a fraction in which the numerator and denominator are integers that have no other common divisors than 1 (and -1, when negative numbers are considered). In other words, a fraction ⁄b is irreducible if and only if a and b are coprime, that is, if a and b have a greatest common divisor of 1. In higher mathematics, "irreducible fraction" may also refer to rational fractions such that the numerator and the denominator are coprime polynomials. Every positive rational number can be represented as an irreducible fraction in exactly one way. |
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