Сравните дроби \(\displaystyle \frac{13}{21}\) и \(\displaystyle \frac{8}{9}\) с \(\displaystyle \frac{2}{3}\)

[ ]\(\displaystyle <\frac{2}{3}<\)[ ]

и сравните между собой

\(\displaystyle \frac{13}{21}\)[?|<|>]\(\displaystyle \frac{8}{9}\)