5 to 10 = 1 to 2
5:11
If you mean as a ratio then it is 1/2
12 : 20 = 6 : 10 = 3 : 5
divide both numbers by a common denominator, e.g. 2, such that the ratio becomes 3:5.
simplify the ratio 18b^2 to 45b
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Expressed as a ratio in its simplest form, by dividing the antecedent and consequent by 2, 10:4 is equal to 5:2 or five to two.
A ratio is equivalent to 12 to 10 when both numbers can be divided by the same factor to simplify the ratio. In this case, both 12 and 10 can be divided by 2 to get 6 and 5 respectively. Therefore, the equivalent ratio to 12 to 10 is 6 to 5. This means that for every 6 of one quantity, there are 5 of the other quantity.
18 to 25
5 : 11
5:2
2.5/3.5 = (2.5 x 10)/(3.5 x 10) = 25/35 = (25 ÷ 5)/(35 ÷ 5) = 5/7