Answer: 8 to 5
Explanation:
Ratio is referring to the relationship between two things when it is expressed in numbers or amounts. In this case we want to find the smallest amount of one value that equals to another. Think of it as a fraction, you're trying to simplify the numbers to its smallest value. For ratios it's the same but with the extra step that it compares each other.
1) Find the Greatest Common factor between 56 and 35. Answer: 8
2) Divide both 56 and 35 by 8 and your answer should be 8 and 5
3) 8:5 is the the simplest ratio of two circles whose radii are 56:35