Reduce Ratio 21:65

Here we will reduce the ratio 21:65 as much as possible. In other words, we will make the numbers 21 and 65 as low as they can be while still keeping the same ratio between the two numbers.

To do this we find the largest number that both 21 and 65 can be divided by. Then we divide both 21 and 65 by that number to get the new reduced ratio.

The largest number 21 and 65 can be divided by is 1. When we divide both numbers by 1, we get the new reduced ratio as follows:

21:65

To summarize, the ratio 21:65 reduced as much as possible is 21:65. You could also say that the ratio 21:65 equals 21:65.

Ratio Reducer
Use our Ratio Reducer to reduce another ratio:

Reduce Ratio 21:66
Here is the next ratio on our list that we reduced.