Watch a 16-minute instructional video demonstrating how to solve a complex fraction problem involving nested fractions without using a calculator. Learn step-by-step techniques for simplifying and evaluating expressions with multiple layers of division, focusing on the problem "1 over (1 + 1 divided by (1 + 1/4))." Master fundamental mathematical concepts and problem-solving strategies applicable to middle school, high school, and college-level mathematics, while building confidence in handling complex fraction operations through clear explanations and worked examples.