A ratio of 2:4 is the same as a ratio of 1:2
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reduce fraction by dividing top and bottom by 4 8/12 = 2/3
The ratio of their surface areas is the square of the ratio of the lengths. Since the ratio of the lengths is 4-1, then the ratio of the surface areas is 4^2-1^2 or 16-1.
Yes you can reduce a ratio. Here's an example: If you have a pole that is 14 feet tall and a man who is 6 feet tall then the ratio of the height of the man to the pole is 6:14. You can reduce 6:14 because 2 can go into both, so it is reduced to 3:7.
To reduce the ratio 27 to 36, you need to find the greatest common factor (GCF) of the two numbers, which in this case is 9. Divide both numbers by the GCF to simplify the ratio. So, 27 ÷ 9 = 3 and 36 ÷ 9 = 4. Therefore, the reduced ratio of 27 to 36 is 3:4.
It means reduce 1 to 1/2, reduce 4 to 2. Half it.