36/80 as a percentage is 45.00%. This number tells you that the fraction is just under half of a whole. When you see 45.00%, you know it represents the same amount as 36 out of 80 parts.
The fraction 36/80 can be reduced to 9/20, which is an easy way to think about the same value. Whether you write it as a fraction, a decimal (0.45), or a percentage (45.00%), the amount stays the same.
Percentages like 45.00% are useful in everyday situations—like figuring out a discount, a test score, or a portion of a group. Knowing the percent lets you compare it quickly with other numbers that are also expressed as percentages.
