Attached are pictures of the number lines for each problem. The easiest way to find fractions on a number line is to turn them into a decimal, which is done by dividing the top number by the bottom. For example, 3/5 would be 3 divided by 5.
Below are the numbers in order, least to greatest for #2, greatest to least for #3-6.
2. 8 1/5, 8.44, 8.5, 8 4/5
3. 0.888, 7/10, 3/5, 0.27
4. 8.04, 7 9/10, 7.85, 7 1/6
5. 5.8, 5 2/5, 4.33, 4 1/4
6. 1.2, 0.67, 5/8, 3/5