Simplify Ratio 7:21

Here we will simplify the ratio 7:21 for you and show you how we did it.

To simplify the ratio 7:21, we find the greatest common divisor of 7 and 21, and then we divide 7 and 21 by the greatest common divisor.

The greatest common divisor that you can use to simplify 7:21 is 7. Which means the answer to ratio 7:21 simplified is:

1:3

Here is the math to illustrate better:
7/7 = 1 and 21/7 = 3
Thus, 7:21 ratio simplified is 1:3

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