How to Add and Simplify Fractions with Unlike Denominators

Math with Mr. J

This educational video provides a clear, step-by-step tutorial on adding fractions with unlike denominators. Hosted by "Mr. J," the lesson breaks down the process into four manageable steps: finding a common denominator, renaming the fractions, adding the numerators, and simplifying the final answer. The video uses a digital chalkboard format to visually demonstrate two specific examples, modeling the mathematical thinking required for each step. The content focuses on core arithmetic skills essential for upper elementary and middle school math proficiency. Key topics include determining the Least Common Multiple (LCM) to find a common denominator, creating equivalent fractions through multiplication, and reducing fractions to their simplest form using the Greatest Common Factor (GCF). The video specifically addresses scenarios where fractions must be renamed before they can be combined. For educators, this video serves as an excellent instructional tool for introducing or reinforcing fraction operations. Its paced, methodical approach makes it ideal for direct instruction, remediation for struggling students, or as a reference resource for homework help. The visual demonstration of listing multiples helps demystify how to find common denominators, a common pain point for students learning fractions.