expression, noun
two-thirds
A fixed expression meaning the fraction two-thirds. Used as a noun or in compound expressions.
クラスの三分の二が女子です。
Two-thirds of the class are girls.
仕事の三分の二はもう終わった。
Two-thirds of the work is already done.
Means half; a more common fraction word.
Compound of 三 (three), 分 (part), の (possessive particle), and 二 (two), literally 'two of three parts'.