45/51 as a percentage is 88.24%. This tells you how much of a whole the fraction represents when expressed in percent form.
The fraction 45/51 can be reduced to 15/17, which still reflects the same proportion of the whole. Both forms point to the same underlying value.
In everyday language, having 45 out of 51 items means you possess roughly 88.24% of the total. This is a handy way to compare parts of a whole in everyday situations.
