Adding Rational Numbers Using Rules

This video tutorial explores rational numbers and how to add them using integer rules. It covers the definition of rational numbers, including integers, decimals, and fractions, and explains two key rules for addition: same sign addition and different sign addition. The video provides examples for each rule, followed by practice problems and solutions. It concludes with a fun historical fact about Pythagoras and his belief in expressing numbers as fractions.

What is the process to find a common denominator when adding fractions?

Can you summarize the steps taken to solve the problem of adding +11 twelves to -7 twelves?