Question

2/5 + 6/7 - 1/3 + 3/2 + 5/2 - 4/7 - 3

Answer 1

I hope it will help you to a great extent

Answer 2

$\frac{2}{5} + \frac{6}{7} - \frac{1}{3} + \frac{3}{2} + \frac{5}{2} - \frac{4}{7} - 3 \\ \\ = 0.4 + 0.85 - 0.3 + 1.5 + 2.5 - 0.57 - 3 \\ \\ = 0.4 + 0.85 + 1.5 + 2.5 - 0.3 - 0.57 - 3 \\ \\ = 5.25 - 3.87 \\ \\ = 1.38$