Question

$\frac{2}{5} \times \frac{ - 1}{7} + \frac{23}{140} - \frac{1}{7} \times \frac{3}{4}$
Tell the answer please​

Answer 1

$\frac{2}{5} \times - \frac{1}{7 } + \frac{23}{140} - \frac{1}{7} \times \frac{3}{4} \\ = - \frac{2}{35} + \frac{23}{140} - \frac{3}{28} \\ = 8 + 23 - \frac{15}{140} \\ = 0$