1\( \frac{1}{8} \) - (-\( \frac{3}{4} \) ) - \( \frac{5}{8} \) - (-\( \frac{1}{2} \) ) + (-4\( \frac{1}{4} \) )=
=1\( \frac{1}{8} \) +\( \frac{3}{4} \) - \( \frac{5}{8} \) +\( \frac{1}{2} \) - 4\( \frac{1}{4} \) =
=1\( \frac{1}{8} \) +\( \frac{6}{8} \) - \( \frac{5}{8} \) +\( \frac{4}{8} \) - 4\( \frac{2}{8} \) =
=1\( \frac{1}{8} \) +\( \frac{5}{8} \) - 4\( \frac{2}{8} \) =
= 1\( \frac{6}{8} \) - 4\( \frac{2}{8} \) =
= \( \frac{14}{8} \) - \( \frac{34}{8} \) = -\( \frac{20}{8} \)=-2\( \frac{4}{8} \)=-2\( \frac{1}{2} \)