Answer:

Explanation:
Given the following expression:

Follow these steps in order to simplify it:
1. You need to find the Greatest Common Factor (GCF) of the numerator and denominator:
- Descompose 6, 20 and 4 into their prime factors:

- Notice that the common one with the lowest exponent is 2. Then:

2. Factor out the Greatest Common Factor on the numerator and on the denominator:

3. Fianally, simplifying the expression, you get:
