Ответ:
\(\frac{7}{10}=\frac{21}{30}\), поэтому
\(\frac{1}{30}+\frac{21}{30}=\frac{22}{30}=\frac{11}{15}\).
\(\frac{11}{15}\cdot6=\frac{22}{5}=4\frac{2}{5}\).
Ответ: \(4\frac{2}{5}\).
\(\frac{7}{10}=\frac{21}{30}\), поэтому
\(\frac{1}{30}+\frac{21}{30}=\frac{22}{30}=\frac{11}{15}\).
\(\frac{11}{15}\cdot6=\frac{22}{5}=4\frac{2}{5}\).
Ответ: \(4\frac{2}{5}\).