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s2008m [1.1K]
3 years ago
5

c{3}{4} - \frac{2}{3} " alt=" 2\frac{3}{4} - \frac{2}{3} " align="absmiddle" class="latex-formula">
Please explain how to do this
Mathematics
1 answer:
docker41 [41]3 years ago
8 0

let's firstly, convert the mixed fraction to improper fraction, and then subtract.


\bf \stackrel{mixed}{2\frac{3}{4}}\implies \cfrac{2\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{11}{4}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\cfrac{11}{4}-\cfrac{2}{3}\implies \stackrel{\textit{our LCD will be 12}}{\cfrac{(3)11-(4)2}{12}}\implies \cfrac{33-8}{12}\implies \cfrac{25}{12}\implies 2\frac{1}{12}

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