Question

2a+1/2a-1 + a-2/1-2a

Answer 1

$frac{2a+1}{2a-1} + frac{a-2}{1-2a} = frac{2a+1}{2a-1} - frac{a-2}{2a-1} = \ \ frac{2a+1-a+2}{2a-1} = frac{a+3}{2a-1}$

Answer 2

$frac{2a+1}{2a-1} + frac{a-2}{1-2a} = frac{2a+1-a+2}{2a-1} = frac{a+3}{2a-1}$