proper fraction的意思是“真分数；适当部分；正分数”，其读音为[ˌprəʊpər ˈfrækʃən]，通常缩写为proper fraction或whole fraction。

用法示例：The improper fraction is that which is greater than or equal to 1. 不完全分数大于或等于1。

翻译为英文：The translation of proper fraction into English is "proper fraction" or "whole fraction".

释义为：真分数的英文释义是"proper fraction"或"whole fraction"，表示一个分数中分子分母都是正整数的一部分，分子小于分母。真分数小于一，即分子比分母小。

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Proper Fraction的释义：

1. 真分数：真分数是数学术语，小于1的分数。

2. 适数分数：适数分数是数学概念，是分子小于分母（或等于）的分数。

Proper Fraction的用法：

1. Proper Fraction可以表示分数，也可以表示小数。

2. 当Proper Fraction表示分数时，分子小于分母（或等于），分母为1时表示1/1。

Proper Fraction的双语翻译是“真分数”和“适数分数”。

Proper Fraction的中文翻译为“正分数”或“真分数”。

常见用法举例：

1. The length of the line segment is 3/5 of the whole length. 线段的长度是全长的3/5。

2. The proper fraction is 0.6, which is equal to 6/10. 真分数是0.6，等于6/10。

注意：Proper Fraction和Decimal（小数）是两个不同的概念，但它们可以互相转换。

proper fraction的意思是“真分数；适当分数；正分数”，释义为“a fraction that is less than 1，and whose numerator is less than its denominator”。

用法：proper fraction指分子小于分母的分数，通常表示小于1的除法运算的商。

双语翻译：proper fraction means “proper fraction” = “真分数”。

常见短语：

1. improper fraction：带分数的分数，即分子大于或等于分母的分数。

例句：The teacher corrected the student's improper fraction and helped him understand it better.

2. common denominator：公分母，用于分数运算中使异分母分数相等。

例句：The teacher found the common denominator for the fractions and then explained how to convert them to each other.

3. decimal fraction：小数部分，即分母为10的分数。

例句：The number 3.75 is a decimal fraction that can be expressed as 3 7/8.

4. improper division：除法运算中分子大于分母的除法。

例句：The student made an improper division and got a wrong answer.

5. convert to a proper fraction：将分数转化为真分数。

例句：The teacher taught the student how to convert improper fractions to proper fractions.

6. simplify a fraction：简化分数，即将分数化简到最简形式。

例句：The teacher taught the student how to simplify a fraction using the long division method.

7. reduce a fraction：将分数化简到更小的数值。

例句：The student used the method of partial fractions to reduce the fraction to its simplest form.

8. improper multiplication：乘法运算中分子大于分母的乘法。

例句：The student made an improper multiplication and got a wrong answer.

9. reciprocal of a fraction：分数的倒数，即分子分母交换位置后的结果。

例句：The teacher explained how to find the reciprocal of a fraction and how it can be used in multiplication and division operations.

10. add up to：加起来等于，表示两个或多个数值相加的结果。

例句：The total amount of money donated was $5,000, which added up to a significant sum for the charity.