They are all the same, fractions can be turned into percents and percents can be turned into fractions. hope that helps :)
No, they are not.
They are all ways of representing numbers.
you eat pie
They need to know about decimals, fractions, and percents because they need to know the exact measures of the things they are designing.
They can sometimes all have the same numerical values as for example 3/4 = 0.75 = 75%
When you have 60% in fractions it is 60/100, because percent is alwase out of 100.
58 = 5,800% or 580/100
Convert them to decimals.