50/80 as a percentage is 62.50%. This number tells you how much of a whole the fraction represents when you look at it in terms of parts per hundred.
The fraction 50/80 can be reduced to 5/8, which is a simple way to see the same value without changing its meaning. Whether you write it as 5/8 or 50/80, the size of the part stays the same.
In everyday life, you might see this percentage on a test score, a discount, or a survey result. Knowing that 62.50% means a little more than half can help you understand how big or small a portion is without doing any math yourself.