Simplify Ratio 21:7

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

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

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

3:1

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

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