write the fraction with the greatest value 7/10, 1/5, 9/10
7/10=70%1/5=2/10=20%9/10=90% ;)
If you are asking for the order of fractions from greatest to least then9/10,7/10 then 1/5, if you are just asking for the greatest fraction then it is 9/10or 9/10= 90%7/10=70%1/5=20%Hope I helped!
