RealFrac -package:intro is:exact

base Prelude GHC.Real, hedgehog Hedgehog.Internal.Prelude, ghc GHC.Prelude.Basic, base-compat Prelude.Compat, protolude Protolude Protolude.Base, relude Relude.Numeric, rio RIO.Prelude.Types, base-prelude BasePrelude, classy-prelude ClassyPrelude, basic-prelude CorePrelude, universum Universum.Base, Cabal-syntax Distribution.Compat.Prelude, github GitHub.Internal.Prelude, numhask NumHask.Prelude, ghc-lib-parser GHC.Prelude.Basic, prelude-compat Prelude2010, dimensional Numeric.Units.Dimensional.Prelude, rebase Rebase.Prelude, xmonad-contrib XMonad.Config.Prime, stack Stack.Prelude, linear-base Prelude.Linear, incipit-base Incipit.Base, LambdaHack Game.LambdaHack.Core.Prelude, cabal-install-solver Distribution.Solver.Compat.Prelude, yesod-paginator Yesod.Paginator.Prelude, distribution-opensuse OpenSuse.Prelude, faktory Faktory.Prelude, hledger-web Hledger.Web.Import, termonad Termonad.Prelude