20/35 as a percentage is 57.14%. This value tells you how much of a whole 20 parts out of 35 represent when expressed in hundredths.
The fraction 20/35 can be reduced to 4/7, which is a common way to see the same proportion in a simpler form. Even after simplifying, the percentage stays the same, so you still have 57.14% of the whole.
Knowing this percentage is useful in everyday situations, like figuring out a discount or comparing parts of a group. It gives a quick, easy-to-understand picture of the size of the part relative to the whole.