1. Convert 1.2 into a fraction: 1.2 = \frac{12}{10} = \frac{6}{5}
2. Division by a fraction is equivalent to multiplication by its reciprocal: 6 \div \frac{6}{5} = 6 \times \frac{5}{6}
3. Simplify by multiplying: 6 \times \frac{5}{6} = 5
The answer is 5.