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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク unit fraction ： ウィキペディア英語版 unit fraction A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/''n''. Examples are 1/1, 1/2, 1/3, 1/4 ,1/5, etc. == Elementary arithmetic == Multiplying any two unit fractions results in a product that is another unit fraction: :$\backslash frac1x\; \backslash times\; \backslash frac1y\; =\; \backslash frac1.$ However, adding, subtracting, or dividing two unit fractions produces a result that is generally not a unit fraction: :$\backslash frac1x\; +\; \backslash frac1y\; =\; \backslash frac$ :$\backslash frac1x\; -\; \backslash frac1y\; =\; \backslash frac$ :$\backslash frac1x\; \backslash div\; \backslash frac1y\; =\; \backslash frac.$ 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「unit fraction」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.