Выполните вычитание: а) 5 7/15 − 3/20; б) 4 7/12 − 2/9; в) 6 5/7 − 3/14; г) 7 5/7 − 4 2/3; д) 3 2/3 − 3 4/11; е) 7 5/12 − 3 2/9.

1. а) \(5\dfrac{7}{15}-\dfrac{3}{20}=5+\left(\dfrac{28}{60}-\dfrac{9}{60}\right)=5\dfrac{19}{60}\).
2. б) \(4\dfrac{7}{12}-\dfrac{2}{9}=4+\left(\dfrac{21}{36}-\dfrac{8}{36}\right)=4\dfrac{13}{36}\).
3. в) \(6\dfrac{5}{7}-\dfrac{3}{14}=6+\left(\dfrac{10}{14}-\dfrac{3}{14}\right)=6\dfrac{7}{14}=6\dfrac{1}{2}\).
4. г) \(7\dfrac{5}{7}-4\dfrac{2}{3}=3+\left(\dfrac{15}{21}-\dfrac{14}{21}\right)=3\dfrac{1}{21}\).
5. д) \(3\dfrac{2}{3}-3\dfrac{4}{11}=\dfrac{22}{33}-\dfrac{12}{33}=\dfrac{10}{33}\).
6. е) \(7\dfrac{5}{12}-3\dfrac{2}{9}=4+\left(\dfrac{15}{36}-\dfrac{8}{36}\right)=4\dfrac{7}{36}\).

Ответ: а) \(5\dfrac{19}{60}\); б) \(4\dfrac{13}{36}\); в) \(6\dfrac{1}{2}\); г) \(3\dfrac{1}{21}\); д) \(\dfrac{10}{33}\); е) \(4\dfrac{7}{36}\).