88/91 is roughly 96.70%. This tells you that the fraction is very close to a whole, just a little under 100 %.
Seeing the number as a percentage makes it easy to compare with other values. For example, a score of 96.70 % would be an excellent grade in most school systems.
When you work with fractions like 88/91, converting them to percentages can help you quickly understand their size. The high percentage shows that 88 out of 91 parts represent almost the entire whole.