eli5: what is a simple form of ratio and how it works?

Question

eli5: what is a simple form of ratio and how it works?

In: 1

Answer 1

Think fractions. this bread needs 4 cups of flour, 2 cups of sugar. Ratio is 2 parts sugar to 4 parts flour. “Parts” because the unit does not always need to be “cups”. In fractions it’s 2/4. simplify, 1:2