Răspuns:
[tex] \frac{7}{8} + \frac{18}{11} \times \frac{11}{36} + \frac{5}{48} \times \frac{12}{25} [/tex]
[tex] \frac{7}{8} + \frac{1}{2} + \frac{1}{4} \times \frac{1}{5} [/tex]
[tex] \frac{7}{8} + \frac{1}{2} + \frac{1}{20} [/tex]
[tex] \frac{35 + 20 + 2}{40} = \frac{57}{40} [/tex]