Вычислите: 27/20 − 1/5; 1/2 − 13/50; 39/50 − 1/10; 7/50 − 1/25; 41/50 − 1/5.

1. \(\frac{27}{20}-\frac{1}{5}=\frac{27}{20}-\frac{4}{20}=\frac{23}{20}\).
2. \(\frac{1}{2}-\frac{13}{50}=\frac{25}{50}-\frac{13}{50}=\frac{12}{50}=\frac{6}{25}\).
3. \(\frac{39}{50}-\frac{1}{10}=\frac{39}{50}-\frac{5}{50}=\frac{34}{50}=\frac{17}{25}\).
4. \(\frac{7}{50}-\frac{1}{25}=\frac{7}{50}-\frac{2}{50}=\frac{5}{50}=\frac{1}{10}\).
5. \(\frac{41}{50}-\frac{1}{5}=\frac{41}{50}-\frac{10}{50}=\frac{31}{50}\).

Ответ: \(\frac{23}{20};\ \frac{6}{25};\ \frac{17}{25};\ \frac{1}{10};\ \frac{31}{50}\).