1.19. Вычислите: \(\frac{1}{25}+\frac{43}{50}\).

\(\frac{1}{25}=\frac{2}{50}\).

\(\frac{2}{50}+\frac{43}{50}=\frac{45}{50}=\frac{9}{10}\).

Ответ: \(\frac{9}{10}\).