33/42 expressed as a percentage is 78.57%. This is the rounded value you’ll see in most reports or calculators, and it tells you that the fraction is a little under four‑fifths of a whole.
The fraction 33/42 can be reduced by dividing both numbers by 3, giving 11/14. Even though the numbers are smaller, the value stays the same, so it still equals 78.57% when turned into a percent.
In everyday situations, you might use this percentage to compare parts of a group, like saying 78.57% of a class finished a project. Remember that the figure is rounded to two decimal places, so it’s a close‑enough estimate for most practical purposes.
