r = \frac{84}{21} = 4

Sat, 18 Apr 2026 09:00:08 +0000

# Simplifying the Fraction r = 84 ÷ 21 = 4: A Complete Guide Fractions are fundamental building blocks in mathematics, and understanding how to simplify and evaluate them is essential for students and lifelong learners alike. One common example that demonstrates the power of fraction simplification is the equation r = 84 ÷ 21 = 4. In this article, we’ll explore how this simple fraction works, how to simplify it, and its significance in math and real-life applications. ## What Does r = 84 ÷ 21 = 4 Mean? At first glance, the equation r = 84 ÷ 21 = 4 appears straightforward. Here, r represents the result of dividing 84 by 21, which equals exactly 4. While this seems elementary, mastering such simplifications lays the foundation for more complex mathematical concepts, including ratios, proportions, and algebra.