imˌproper ˈfraction BrE AmE noun [countable] technical
a ↑ fraction such as 107/8 in which the top number is larger than the bottom number OPP proper fraction
imˌproper ˈfraction BrE AmE noun [countable] technical
a ↑ fraction such as 107/8 in which the top number is larger than the bottom number OPP proper fraction
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012