How do you simplify 20 15?
To simplify the ratio 15 to 20, find the greatest common divisor (GCD) of both numbers. The GCD of 15 and 20 is 5. Divide each number by the GCD: 15 divided by 5 equals 3, and 20 divided by 5 equals 4. Therefore, the ratio 15 to 20 in its simplest form is 3 to 4.