Answer:
1/2, 0.6, 8/10, 0.9
Explanation:
Turn them all into decimals or into fractions (i chose decimals)
1/2 as a decimal is 0.5
0.6 is already in decimal form
8/10 as a decimal is 0.8
0.9 is already in decimal form
then just order the numbers and turn them back into the original :)
I hope that helps you :)