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What is the answer to 50 4/5 - 8 9/10= ?
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What is the answer to
50 4/5 - 8 9/10= ?

User Ctietze
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let's convert the mixed fractions to improper fractions.


\stackrel{mixed}{50(4)/(5)}\implies \cfrac{50\cdot 5+4}{5}\implies \stackrel{improper}{\cfrac{254}{5}}~\hfill \stackrel{mixed}{8(9)/(10)} \implies \cfrac{8\cdot 10+9}{10} \implies \stackrel{improper}{\cfrac{89}{10}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{254}{5}-\cfrac{89}{10}\implies \cfrac{(2)(254)~~ - ~~(1)(89)}{\underset{\textit{using this LCD}}{10}}\implies \cfrac{508-89}{10}\implies \cfrac{419}{10}\implies {\Large \begin{array}{llll} 41(9)/(10) \end{array}}

User Mikael Fremling
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