The fraction 45/52 is equal to 86.54% when converted to a percentage. This means that if you had 52 items and took 45 of them, you'd have about 86.54% of the total. It's a pretty high percentage, showing that 45 is close to 52 in value.
To put it in perspective, 86.54% is more than three-quarters but less than nine-tenths of the whole. In everyday situations, you might see this fraction when dealing with things like test scores, project completion, or even in cooking recipes. For example, if a recipe calls for 52 ounces of liquid and you only have 45 ounces, you'd still have 86.54% of what you need.