Решите пример (11/10-13/15)×7/60

( \frac{11}{10} - \frac{13}{15})* \frac{7}{60} = ( \frac{33}{30} - \frac{26}{30})* \frac{7}{60} = \frac{7}{30}* \frac{7}{60} = \frac{49}{1800}