Algebra – Multiplying and Dividing Rational Numbers 2 of 2

Welcome to part 2 of this concept, as we teach wisdom on multiplying and dividing rational numbers as street performance art. Welcome to Yay Math!

Rational numbers are just a fancy way of saying fractions, or decimals. To multiply and divide rational numbers, it first helps to think of them conceptually. So in this video, when we're talking about dividing, we make it about dollar amounts, or even pizza for that matter. We learn about turning mixed fractions to improper fractions, plus we take a dive into how to calculate a number's reciprocal. Then the following phrase is repeated multiple times, "to divide by a fraction is the same as multiplying by its reciprocal."