Question

Using appropriate properties find:☝​

Answer 1

$\: \: \: \frac{2}{5} \times \frac{ - 3}{7} - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5} \\ = \frac{ - 6}{35} - \frac{1}{4} + \frac{1}{35} \\ = \frac{ - 5}{35} - \frac{1}{4} \\ = \frac{ - 20 - 35}{140} \\ = - \frac{55}{140} \\ = - \frac{11}{28}$