Since 21 and 18 have the common factor of 3, reduce 'em to get:
21 to 18
= (3 * 7) to (3 * 6)
= 7 to 6
7 to 25
18/21 in simplest form is 6/7.
39
21/54 = 7/18
21/91 = 3/13
6 to 7
2 dollas
21 to 25
19/21
7 to 25
18/21 in simplest form is 6/7.
39
21/54 = 7/18
21/91 = 3/13
To simplify the ratio 21 to 27, you need to find the greatest common divisor (GCD) of the two numbers, which is 3. Divide both numbers by 3 to simplify the ratio: 21 ÷ 3 = 7 and 27 ÷ 3 = 9. Therefore, the simplified ratio of 21 to 27 is 7 to 9.
4/3
The number, in the form of a ratio, is 21/100.