仮分数(かぶんすう)

かぶんすう
noun
improper fraction
academicnumbereducation
1. improper fraction
A fraction whose numerator is equal to or larger than its denominator, so that its value is 1 or more — for example 5/3. It can always be rewritten as a 帯分数(たいぶんすう) (mixed number).
3分(ぶん)の5は仮分数(かぶんすう)だ。
Five-thirds is an improper fraction.
仮分数(かぶんすう)を帯分数(たいぶんすう)に直(なお)しなさい。
Convert the improper fraction into a mixed number.
かけ算(ざん)や割(わ)り算(ざん)をするときは、帯分数(たいぶんすう)より仮分数(かぶんすう)のほうが計算(けいさん)しやすい。
When multiplying or dividing, improper fractions are easier to work with than mixed numbers.

仮(か) (provisional, temporary) + 分数(ぶんすう) (fraction): a fraction only in form, since its value is not less than one.

Common collocations

  • 仮分数(かぶんすう)に直(なお)す: to convert into an improper fraction
  • 仮分数(かぶんすう)で答(こた)える: to give the answer as an improper fraction

Similar words

Related Words

Compare: 真分数(しんぶんすう) (proper fraction)
Compare: 帯分数(たいぶんすう) (mixed number)
general
Added 2026.8.16 15:19 · Revised 2026.9.2 13:02
30500/30692_kabunsuu