What is 64/90 as a percentage? It comes out to 71.11% when rounded to two decimal places.
The fraction 64/90 can be reduced by dividing both numbers by 2, giving you 32/45. Even though the numbers are smaller, the value stays the same, so it still represents about 71.11% of a whole.
Knowing the percentage helps when you compare parts of a whole in everyday situations—like figuring out a test score or a discount. Remember, the 71.11% figure is rounded, so the exact value is a tiny bit different, but for most uses the rounded number works just fine.