Simplify Ratio 21:3

Here we will simplify the ratio 21:3 for you and show you how we did it.

To simplify the ratio 21:3, we find the greatest common divisor of 21 and 3, and then we divide 21 and 3 by the greatest common divisor.

The greatest common divisor that you can use to simplify 21:3 is 3. Which means the answer to ratio 21:3 simplified is:

7:1

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

Ratio Simplifier
The ratio 21:3 is not the only ratio we can simplify. Enter another ratio here for us to simplify.

Simplify Ratio 21:4
Here is the next ratio on our list that we simplified.