Respuestas
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tenemos fracciones con enteros... esos los pasamos a fracción y aplicamos ley del sándwich
![( \frac{1 - \frac{4}{5} }{2 + \frac{4 \frac{2}{3} }{1 + \frac{4}{3} } } )( \frac{4}{2 \frac{1}{5} } \div \frac{5}{ \frac{2}{4} } ) \\ \\ ( \frac{ \frac{5 - 4}{5} }{2 + \frac{ \frac{14}{3} }{ \frac{3 + 4}{3} } } )( \frac{4}{ \frac{11}{5} } \div \frac{20}{2} ) \\ \\ ( \frac{ \frac{1}{5} }{2 + \frac{ \frac{14}{3} }{ \frac{7}{3} } } )( \frac{20}{11} \div \frac{20}{2} ) \\ \\ ( \frac{ \frac{1}{5} }{2 + \frac{42}{21} } )( \frac{40}{220} ) \\ \\ ( \frac{ \frac{1}{5} }{\frac{42 + 42}{21} } )( \frac{2}{11} ) \\ \\ ( \frac{ \frac{1}{5} }{ \frac{84}{21} } )( \frac{2}{11} ) \\ \\ ( \frac{21}{420} )( \frac{2}{11} ) \\ \\ ( \frac{1}{20} )( \frac{2}{11} ) \\ \\ \frac{2}{220} = \frac{1}{110} ( \frac{1 - \frac{4}{5} }{2 + \frac{4 \frac{2}{3} }{1 + \frac{4}{3} } } )( \frac{4}{2 \frac{1}{5} } \div \frac{5}{ \frac{2}{4} } ) \\ \\ ( \frac{ \frac{5 - 4}{5} }{2 + \frac{ \frac{14}{3} }{ \frac{3 + 4}{3} } } )( \frac{4}{ \frac{11}{5} } \div \frac{20}{2} ) \\ \\ ( \frac{ \frac{1}{5} }{2 + \frac{ \frac{14}{3} }{ \frac{7}{3} } } )( \frac{20}{11} \div \frac{20}{2} ) \\ \\ ( \frac{ \frac{1}{5} }{2 + \frac{42}{21} } )( \frac{40}{220} ) \\ \\ ( \frac{ \frac{1}{5} }{\frac{42 + 42}{21} } )( \frac{2}{11} ) \\ \\ ( \frac{ \frac{1}{5} }{ \frac{84}{21} } )( \frac{2}{11} ) \\ \\ ( \frac{21}{420} )( \frac{2}{11} ) \\ \\ ( \frac{1}{20} )( \frac{2}{11} ) \\ \\ \frac{2}{220} = \frac{1}{110}](https://tex.z-dn.net/?f=%28+%5Cfrac%7B1+-++%5Cfrac%7B4%7D%7B5%7D+%7D%7B2+%2B++%5Cfrac%7B4+%5Cfrac%7B2%7D%7B3%7D+%7D%7B1+%2B++%5Cfrac%7B4%7D%7B3%7D+%7D+%7D+%29%28+%5Cfrac%7B4%7D%7B2+%5Cfrac%7B1%7D%7B5%7D+%7D++%5Cdiv++%5Cfrac%7B5%7D%7B+%5Cfrac%7B2%7D%7B4%7D+%7D+%29+%5C%5C++%5C%5C+%28++%5Cfrac%7B+%5Cfrac%7B5+-+4%7D%7B5%7D+%7D%7B2+%2B++%5Cfrac%7B+%5Cfrac%7B14%7D%7B3%7D+%7D%7B+%5Cfrac%7B3+%2B+4%7D%7B3%7D+%7D+%7D+%29%28+%5Cfrac%7B4%7D%7B+%5Cfrac%7B11%7D%7B5%7D+%7D++%5Cdiv++%5Cfrac%7B20%7D%7B2%7D+%29+%5C%5C++%5C%5C+%28+%5Cfrac%7B+%5Cfrac%7B1%7D%7B5%7D+%7D%7B2+%2B++%5Cfrac%7B+%5Cfrac%7B14%7D%7B3%7D+%7D%7B+%5Cfrac%7B7%7D%7B3%7D+%7D+%7D+%29%28+%5Cfrac%7B20%7D%7B11%7D++%5Cdiv++%5Cfrac%7B20%7D%7B2%7D+%29+%5C%5C++%5C%5C+%28+%5Cfrac%7B+%5Cfrac%7B1%7D%7B5%7D+%7D%7B2+%2B++%5Cfrac%7B42%7D%7B21%7D+%7D+%29%28+%5Cfrac%7B40%7D%7B220%7D+%29+%5C%5C++%5C%5C+%28+%5Cfrac%7B+%5Cfrac%7B1%7D%7B5%7D+%7D%7B%5Cfrac%7B42+%2B+42%7D%7B21%7D+%7D+%29%28+%5Cfrac%7B2%7D%7B11%7D+%29+%5C%5C++%5C%5C+%28+%5Cfrac%7B+%5Cfrac%7B1%7D%7B5%7D+%7D%7B+%5Cfrac%7B84%7D%7B21%7D+%7D+%29%28+%5Cfrac%7B2%7D%7B11%7D+%29+%5C%5C++%5C%5C+%28+%5Cfrac%7B21%7D%7B420%7D+%29%28+%5Cfrac%7B2%7D%7B11%7D+%29+%5C%5C++%5C%5C+%28+%5Cfrac%7B1%7D%7B20%7D+%29%28+%5Cfrac%7B2%7D%7B11%7D+%29+%5C%5C++%5C%5C++%5Cfrac%7B2%7D%7B220%7D++%3D++%5Cfrac%7B1%7D%7B110%7D+)
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