ぶんいち 分の一 LinksSentence search for 分の一Sentence search for ぶんのいちSentence search for 分の1Kanji details for 分 and 一Edit in JMdict Expressions (phrases, clauses, etc.), Suffix1. one Nth part (e.g. one fifth, one tenth); one out of NSee also 分の, after number NOther forms分の1 【ぶんのいち】 Discussions Log in to talk about this word.