2.2: Adding and Subtracting Rational Numbers Difficulty Level: At Grade Created by: CK-12 Share Add to Library Turn In Read Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Image Attributions Show Hide Details Description No description available here... Tags: Absolute Value additive identity associative (24 more) CK.MAT.ENG.SE.2.Algebra-I.2 commutative denominator distributive property equivalent fractions Improper Fractions integers inverse irrational numbers LCD lowest common denominator multiplicative identity multiplicative inverse numerator opposites prime prime factors Problem Solving proper fractions rational numbers real numbers reducing a fraction simplest form whole numbers Subjects: mathematics Grades: 9 , 10 Date Created: Feb 23, 2012 Last Modified: Aug 11, 2016 Files can only be attached to the latest version of section