Решение:
\( \frac{1}{5} - \frac{41}{50} = \frac{1 × 10}{5 × 10} - \frac{41}{50} = \frac{10}{50} - \frac{41}{50} = \frac{10 - 41}{50} = \frac{-31}{50} = -0,62 \)
Ответ: -0,62