How do you Add and Subtract Rational Numbers? https://www.youtube.com/watch?v=pZD5jxgHit0There are four basic operations on rational numbers :Addition Subtraction Multiplication Division.Addition of Rational Numbers If two rational numbers are to be added, we first express each one of them as rational number with positive denominator. There are two … [Read more...] about How do you Add and Subtract Rational Numbers?