Сравни числа и выбери верные ответы

1. \(\dfrac{15}{21}\) [ \(\lt\) | \(\gt\) | \(=\) ] \(\dfrac{11}{21}\) .
2. \(\dfrac{5}{7}\) [ \(\lt\) | \(\gt\) | \(=\) ] \(\dfrac{3}{5}\) .
3. \(\dfrac{19}{9}\) [ \(\gt\) | \(\lt\) | \(=\) ] \(\dfrac{19}{6}\) .