Ordering Fractions and Decimals

Which is the correct order for the following terms? 6/8 , .66, .80 , 5/10

Which one is larger? 1/4 , 1/3 , 1/5 or 1/2

Which ones is greatest? 1/2, 2/4, 9/18

What is 7x8?

Which one is least? 1/4 , 1/3 , 1/5 or 1/2

Which is greater? .66 , 1/3, 2/5

Which fraction set is counted using quarters? 1/4 , 1/3 , 1/5 or 1/2

Which fraction set is counted in increments of 20? 1/4 , 1/3 , 1/5 or 1/2

Which is least? 2/3 , 4/5, .75

Define ascending.