Resposta:
[tex]c)\\ 4\dfrac{5}{8}+\dfrac{5}{6}=\\ \\ \\ \dfrac{4\times8+5}{8}+\dfrac{5}{6}=\\ \\ \\ \dfrac{37}{8}+\dfrac{5}{6}=\\ \\ \\ mmc(8,6)=24\\ \\ \\ \dfrac{111+20}{24}=\boxed{\dfrac{131}{24}}[/tex]
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[tex]d)\\ 1\dfrac{3}{5}+2\dfrac{1}{7}=\\ \\ \\ \dfrac{1\times5+3}{5}+\dfrac{2\times7+1}{7}=\\ \\ \\ \dfrac{8}{5}+\dfrac{15}{7}=\\ \\ \\ mmc(5,7)=35\\ \\ \\ \dfrac{56+75}{35}=\boxed{\dfrac{131}{35}}[/tex]
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Resposta:
[tex]c)\\ 4\dfrac{5}{8}+\dfrac{5}{6}=\\ \\ \\ \dfrac{4\times8+5}{8}+\dfrac{5}{6}=\\ \\ \\ \dfrac{37}{8}+\dfrac{5}{6}=\\ \\ \\ mmc(8,6)=24\\ \\ \\ \dfrac{111+20}{24}=\boxed{\dfrac{131}{24}}[/tex]
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[tex]d)\\ 1\dfrac{3}{5}+2\dfrac{1}{7}=\\ \\ \\ \dfrac{1\times5+3}{5}+\dfrac{2\times7+1}{7}=\\ \\ \\ \dfrac{8}{5}+\dfrac{15}{7}=\\ \\ \\ mmc(5,7)=35\\ \\ \\ \dfrac{56+75}{35}=\boxed{\dfrac{131}{35}}[/tex]