The ratio of 28 to 21 in simplest form is 4:3. This is obtained by dividing both numbers by their greatest common factor, which is 7 in this case. Therefore, 28 ÷ 7 = 4 and 21 ÷ 7 = 3, resulting in the simplified ratio of 4:3.
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21/28 = 3/4
15/28 is the simplest form and, by definition, the simplest form must be equivalent to other forms of the ratio.
3/4
To simplify the ratio of 56 to 84, you can divide both numbers by their greatest common divisor (GCD), which is 28. Dividing both by 28 gives you 2 for 56 and 3 for 84. Therefore, the simplest ratio form of 56 to 84 is 2:3.
7/3