Here are some Videos that will help you
Changing Decimals to fractionsVideos in Spanish

Changing Percents to Fractions 
Changing Percents to DecimalsVideos in Spanish

Fractions to Decimal & PercentVideos in Spanish

Comparing Fractions Decimals and Percents
in order to compare Fractions, Decimals, and percents you must first convert them to one type of number. They all have to be decimals, or they all have to be fractions, or they all have to be percents. Then you can determine the smallest from the largest. 
