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常分数 (joubunsuu) Japanese meaning: proper fraction | Kotomora

常じょう分ぶん数すう

Meanings

1

proper fraction

Mathematical term for a fraction where the numerator is less than the denominator.

常じょう分ぶん数すうは、分ぶん子しが分ぶん母ぼより小ちいさい分ぶん数すうです。
A proper fraction is a fraction where the numerator is smaller than the denominator.

Kanji

常usual, ordinary, normal
分part, minute of time, segment
数number, strength, fate

Related words

仮か分ぶん数すう
仮分数 (improper fraction) has a numerator equal to or greater than the denominator, while 常分数 (proper fraction) has a numerator smaller than the denominator.
帯たい分

ぶん

数すう

帯分数 (mixed number) combines an integer and a proper fraction, whereas 常分数 is just the fractional part.

Etymology

Compound of 常 (じょう, 'normal, ordinary') and 分数 (ぶんすう, 'fraction'), literally 'ordinary fraction'.