Выполните сложение: a) 2 + 3\(\frac{1}{5}\); в) 23\(\frac{12}{13}\) + 7\(\frac{2}{13}\);

a) 2 + 3\(\frac{1}{5}\) = 5\(\frac{1}{5}\) Ответ: 5\(\frac{1}{5}\) в) 23\(\frac{12}{13}\) + 7\(\frac{2}{13}\) = (23+7) + (\(\frac{12}{13}\) + \(\frac{2}{13}\)) = 30 + \(\frac{14}{13}\) = 30 + 1\(\frac{1}{13}\) = 31\(\frac{1}{13}\) Ответ: 31\(\frac{1}{13}\)