5) $\frac{11}{12}-\frac{21}{25}$ и $\frac{2}{25}-\frac{2}{21}$

Question

Вопрос: $Фото задания: 5) $\frac{11}{12}-\frac{21}{25}$ и $\frac{2}{25}-\frac{2}{21}$$ Фото задания

Accepted Answer

$\frac{11}{12}-\frac{21}{25}=\frac{275-252}{300}=\frac{23}{300}$.

$\frac{2}{25}-\frac{2}{21}=\frac{42-50}{525}=-\frac{8}{525}$.

Ответ: $\frac{11}{12}-\frac{21}{25}>\frac{2}{25}-\frac{2}{21}$.

5) \(\frac{11}{12}-\frac{21}{25}\) и \(\frac{2}{25}-\frac{2}{21}\)