common fraction
noun [ C ] mathematics specialized uk/ˌkɒm.ən ˈfræk.ʃən/ us/ˌkɑː.mən ˈfræk.ʃən/
简分数，普通分数
a fraction in which there is a horizontal line with one number above it and one number below it
Synonym: vulgar fraction
See also: denominatornumerator