\(=\left(\dfrac{17}{24}+\dfrac{7}{12}-\dfrac{3}{4}\right)\times\dfrac{4}{7}=\left(\dfrac{17}{24}+\dfrac{14}{24}-\dfrac{18}{24}\right)\times\dfrac{4}{7}\)
\(=\dfrac{13}{24}\times\dfrac{4}{7}=\dfrac{13}{42}\)
\(\dfrac{17}{24}\times\dfrac{4}{7}+\dfrac{7}{12}\times\dfrac{4}{7}-\dfrac{3}{4}\times\dfrac{4}{7}=\dfrac{4}{7}\left(\dfrac{17}{24}+\dfrac{7}{12}-\dfrac{3}{4}\right)=\dfrac{4}{7}\left(\dfrac{17}{24}+\dfrac{14}{24}-\dfrac{18}{24}\right)=\dfrac{4}{7}\times\dfrac{13}{24}=\dfrac{13}{42}\)