在MySQL上创建数据库，如何进行涉及赔率的查询

i am creating a database on MySQL which involves gambling odds (i.e 2/1 or 11/2) MySQL doesn't recognise data in this format, so how can I create a data type for these gambling odds. I can of-course put these in decimal form, however I would like to know if it is possible to store them this way?i am creating a database on MySQL which involve