Explains what rates and ratios are and how they are different. Shows how to solve an example problem about ratios and presents a video demonstrating how to show a ratio as a fraction or a decimal. [1:52]

The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...

Use this calculator to simplify ratios of the form A : B. A or B can be whole numbers, integers, decimal numbers, fractions or mixed numbers. They can be different types, for example, one fraction and one decimal. The ratio values can be...