Whatdoes5%representasadecimal?5%isequivalentto0.05indecimalform.Tounderstandthis,youcanthinkofpercentagesasaformofdivision,where5%isthesameas5dividedby100,whichequals0.05.Inotherwords,5%means0.05innumericalterms.Inthestudyofmathematics,percentagesareacommonconcept.The"%"symboldenotesapercentageandsignifiesthatapartofawholeisbeingrepresentedoutof100equalparts.Itcanalsobeexpressedasafractionwith100asthedenominator,suchasx/100.Herearesometipsforworkingwithpercentages:1.Convertingbetween百分数and小数(percentagesanddecimals):Toconvertapercentagetoadecimal,youremovethepercentagesignandmovethedecimalpointtwoplacestotheleft.Conversely,toconvertadecimaltoapercentage,youaddthepercentagesignandmovethedecimalpointtwoplacestotheright.2.Convertingbetween百分数and分数(percentagesandfractions):Toconvertapercentagetoafraction,youwriteitasafractionwith100asthedenominatorandthensimplifythefraction.Toconvertafractiontoapercentage,youdividethenumeratorbythedenominator,expressitasadecimal,andthenconvertthatdecimaltoapercentage.Alternatively,youcanmultiplyboththenumeratorandthedenominatorbyanumbertomakethedenominator100,andthenreplacethedenominatorwiththepercentagesign.