通つう分ぶん

noun, noun or participle which takes 'suru', transitive verb

reduction to a common denominator; converting fractions to a common denominator

Mathematical term for finding a common denominator for two or more fractions. Used as a noun or with する as a transitive verb.

• 分ぶん数すうの足たし算ざんをする前まえに、まず通つう分ぶんしてください。

  Before adding the fractions, please first reduce them to a common denominator.

• 通つう分ぶんのやり方かたを忘わすれてしまった。

  I've forgotten how to find a common denominator.