72/90 as a percentage is 80.00%. This value is the same whether you look at the fraction directly or simplify it first. It’s a clean, round number that’s easy to work with.
The fraction 72/90 can be reduced by dividing both the numerator and the denominator by their greatest common divisor, 18. This gives the simpler fraction 4/5, which represents the same part of a whole.
In everyday situations, you’ll see 80.00% used to describe things like test scores, sales discounts, or the portion of a project that’s been completed. It’s a handy figure that quickly conveys “four‑fifths” of any total.
