The fraction 6/20 expressed as a percentage is 30.00%. This tells you that six parts out of twenty is the same as thirty whole parts out of a hundred.
If you simplify 6/20, you get the fraction 3/10, which also represents the same portion of a whole. Whether you see it as 6/20, 3/10, or 30.00%, the value is identical.
Percentages like this are useful for everyday calculations—think of a 30% discount at a store or a test score where you earned 30 out of 100 points. Knowing the equivalent percentage lets you compare and understand the size of the fraction quickly.