Num instance for Ratio
Num instance for Ratio

mpurland/Swiftz,mpurland/Swiftz,CodaFi/swiftz,tranhieutt/Swiftz,ikesyo/Swiftz,ikesyo/Swiftz,tranhieutt/Swiftz,mpurland/Swiftz,typelift/swiftz,CodaFi/swiftz,typelift/swiftz,typelift/swiftz,ryanbooker/Swiftz,CodaFi/swiftz,ikesyo/Swiftz,ryanbooker/Swiftz