Expressed as a ratio in its simplest form, by dividing the antecedent and consequent by 3, 21:27 is equal to 7:9.
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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.
33.6/17.6 multiply the numerator and the denominator by 10 = 336/176 divide the numerator and the denominator by 16 = 21/11or = 1 10/11
12 : 20 = 6 : 10 = 3 : 5
12/25this is because you shouldn't have decimals on the numerator
0.6/2.4 = 0.1/4 = 1/40
Factor out the 6, 6*1 : 6*7 as 6 appears in both sides of this ratio as a factor it can be eliminated 1 : 7 ===