Reduce Ratio 1:21

Here we will reduce the ratio 1:21 as much as possible. In other words, we will make the numbers 1 and 21 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 1 and 21 can be divided by. Then we divide both 1 and 21 by that number to get the new reduced ratio.

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

1:21

To summarize, the ratio 1:21 reduced as much as possible is 1:21. You could also say that the ratio 1:21 equals 1:21.

Ratio Reducer
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Reduce Ratio 1:22
Here is the next ratio on our list that we reduced.