68/78 as a percentage is 87.18%. This value tells you how much of a whole the fraction represents when it is expressed in hundredths.
The fraction 68/78 can be simplified by dividing both numbers by their greatest common divisor, 2, giving the equivalent fraction 34/39. Both forms represent the same proportion of a whole.
In everyday terms, saying something is 87.18% means it is just a little under 90% of the total. This is useful for quick comparisons, like seeing how a score or a measurement stands relative to a full scale.
Remember, percentages like this are a convenient way to talk about parts of a whole without having to work with fractions directly.