42/54 as a percentage is 77.78%. This is the rounded value you get when you turn the fraction into a percent.
The fraction 42/54 can be simplified to 7/9, which still represents the same part of a whole. Both forms show that the value is a little less than one whole unit.
In everyday terms, 77.78% means that if you have 100 items, about 78 of them would match the portion described by 42/54. It’s a handy way to compare parts of a whole.
Remember, whenever you see a fraction like this, you can think of its percentage to get a quick sense of size without doing any extra math.