Question

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

Answer 1

$\frac{2}{5} + 5\frac{1}{7} + 2\frac{3}{5} + 1\frac{6}{7} = \frac{2}{5} + 2\frac{3}{5} + 5\frac{1}{7} + 1\frac{6}{7} = 3 + 7 = 10$