6/15 as a percentage is 40.00%. This is the rounded figure you’d use in most everyday situations, and it’s easy to remember.
The fraction 6/15 can be reduced to 2/5, which shows that the same part of a whole is being described in a simpler way. Both forms represent the same amount of the whole, just expressed differently.
Percentages like 40.00% are useful when you need to compare parts of different totals or communicate quickly how big a share is. Knowing that 6/15 equals 40 % helps you see the size of the portion at a glance.
