Hi Zac,
you always get these correct but you do not need to make them looks so complicated.
2−3=2−31$Nowanythingraisedtoanegpowergetsswappedtotheothersideofthefractionline,andanythingnotraisedtoanegativepowerstayswhereitis$$Sothe1stays,the$2−3$goestotheothersideofthefractionlineandthe−becomesa+.$$Thereisnothingonthetopanymoresojustputa1there$2−31=?1∗2+3=123
Once you do a couple you wil see that it is heaps easier.
Well I like to show the in-between steps because I think it makes it easier to understand but once you know the rule you can just cut straight to the answer.