7 to 4
3 to 1
3:2
30/12 = 5/2 or 5 : 2
4/12 = 4÷4/12÷4 = 1/3
90
The ratio of 21 to 12 can be expressed as 21:12. To simplify this ratio, you can divide both numbers by their greatest common divisor, which is 3. This simplifies the ratio to 7:4. Therefore, the simplified ratio of 21 to 12 is 7:4.
It is 21/1 or 21:1
21% = 21/100
21/7 = 3 Or, a 3 to 1 ratio.
+33.33%
13:21
The ratio is N:21