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What is the sum of 18 23/30+2/3​

User Leilah
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1 Answer

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let's firstly convert the mixed fraction to improper fraction and then add them up.


\stackrel{mixed}{18(23)/(30)}\implies \cfrac{18\cdot 30+23}{30}\implies \stackrel{improper}{\cfrac{563}{30}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{563}{30}~~ + ~~\cfrac{2}{3}\implies \cfrac{(1)563~~ + ~~(10)2}{\underset{\textit{using this LCD}}{30}}\implies \cfrac{563+20}{30}\implies \cfrac{583}{20}\implies 29(3)/(20)

User Hsrv
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