Sumas y restas de fracciones paso a paso | Matemáticas 9 ingreso Chapingo

If you're preparing for your exam at the Autonomous University of Chapingo, this topic is key. Adding and subtracting fractions appears constantly in algebra, proportions, and mathematical reasoning problems. In this video, I explain step by step: ✅ How to add and subtract fractions with the same denominator ✅ How to work with different denominators using the least common multiple (LCM) ✅ Correct procedure without common mistakes ✅ Final simplification (a step many forget on the exam) ✅ Sample exam questions from the Autonomous University of Chapingo's preparatory course Here, you'll not only learn the procedure but also how to analyze the problem to solve it faster and avoid losing points. If you want to master fractions and be strong on the exam, this video is for you. 🔔 Subscribe to follow the complete course leading up to Chapingo. 💬 Leave a comment with the topic you'd like to review for the exam. #ChapingoAdmission #ChapingoMathematics #Fractions #ChapingoPreparatoryCourse #AutonomousUniversityofChapingo