Вычислите: \(\dfrac{\dfrac{3}{4}-\dfrac{7}{12}}{\dfrac{3}{5}-\dfrac{3}{10}}\) + \(\dfrac{\dfrac{9}{10}-\dfrac{7}{8}}{\dfrac{7}{8}-\dfrac{5}{6}}\) + \(\dfrac{2+2\dfrac{2}{5}}{\dfrac{3}{4}+\dfrac{3}{7}}\)

• \(4\frac{8}{9}\)
• \(3\frac{8}{9}\)
• \(\frac{37}{9}\)