Simplify the fraction to lowest terms.

Simplify (or reduce) a fraction to lowest terms by dividing both the *numerator* and the *denominator* by the greatest common denominator (GCD).

If you would like to have a vivid explanation with a detailed example, please read the page Simplifying/Reducing Fractions - Learn this magic trick!

**Step 1: Calculate the greatest common divisor (GCD):**

4 ÷ 8 = 0 Remainder 4

8 ÷ 4 = 2 Remainder 0

The Greatest Common Divisor (GCD) of 4 and 8 is **4**.

**Step 2: Simplifying by the greatest common divisor (GCD):**

Since the GCD is greater than 1, the fraction can be simplified directly to lowest terms by this number (4):