Answer:
From smallest to biggest: -1, -0.82, -4/5, -0.28, -1/4, -1/5
Explanation:
Let's do this by converting them all to decimal form:
-1.00, -0.82, -0.80, -0.28, -0.25, -0.20
-0.82 and -0.80 (-4/5) are closer to -1. than -0.25 (-1/4). -0.28 and -0.20 (-1/5) are closer to -0.25 (-1/4) than they are to -1.