50/61 as a percentage is 81.97% (rounded to the nearest two decimal places). This value shows that the fraction is just a little shy of the whole, or 100%.
The fraction 50/61 can be useful when comparing parts of a whole in everyday situations, such as grading or budgeting. It tells you that out of every 61 equal pieces, 50 are being considered, which translates to a fairly high proportion.
When you see 81.97% on a report or a chart, you can quickly recognize it as the same relationship that 50/61 represents. Knowing both forms makes it easier to communicate numbers in the way that best fits your audience.