Đáp án:
$\dfrac{13}{15}>\dfrac{1333}{1555}$
Giải thích các bước giải:
\( \begin{array}{l} \text{Ta có:} \\\\
\dfrac{13}{15}=\dfrac{13×1555}{15×1555}=\dfrac{20215}{23325}\\
\\\dfrac{1333}{1555}=\dfrac{1333×15}{1555×15}=\dfrac{19995}{23325}\\\\\Rightarrow \dfrac{20215}{23325}>\dfrac{19995}{23325}\ \text{hay}\ \dfrac{13}{15}>\dfrac{1333}{1555}
\end{array} \)
$\\$
Vậy $\dfrac{13}{15}>\dfrac{1333}{1555}$
