通分

tōngfēn

通分 — tōngfēn

1. to convert fractions to a common denominator; bring to a common denominator

   把这两分数通分以后才能相加。 bǎ zhè liǎng fēnshù tōngfēn yǐhòu cáinéng xiāngjiā — You must convert these two fractions to a common denominator before you can add them.