Resposta :
[tex]\bullet \ 6500 - \frac{7}{13} = \frac{84500 - 7}{13} \rightarrow \text{fazendo MMC} \\\\ \frac{84500 - 7}{13} = \boxed{\frac{84493}{13}}[/tex]
[tex]6500-\frac{7}{13}= \\
\\
\frac{13.6500-7}{13}= \\
\\
\frac{84500-7}{13}= \\
\\
\frac{84493}{13}[/tex]