Question

поможіть даю 70 балів​

Answer 1

$-1\frac{11}{12}+5\frac{7}{8}+(-3\frac{5}{6}) = -\frac{23}{12}+\frac{47}{8}-\frac{23}{6} = -\frac{46}{24}+\frac{141}{24}-\frac{92}{24} = \frac{141-46-92}{24} = \frac{3}{24} = \frac{1}{8}\\\\Answer: \frac{1}{8}$