45/70 as a percentage is 64.29%. This number tells you how much of a whole the fraction represents when you think of the whole as 100 parts.
The fraction 45/70 can be reduced to 9/14, which shows the same relationship in a simpler form. Both versions describe the same portion of a whole, just expressed differently.
In everyday situations, saying 64.29% is often more intuitive than using a fraction, especially when dealing with charts, surveys, or any data that uses percentages. It gives a clear, quick sense of how large the part is compared to the whole.
