Convert Mixed Number 6¾ to an Improper Fraction

To solve this problem, we'll convert the mixed number $6\frac{3}{4}$ into a decimal by following these steps:

• Step 1: Convert the fractional part $\frac{3}{4}$ into a decimal.
  To do this, compute $\frac{3}{4} = 3 \div 4 = 0.75$.
• Step 2: Add the decimal result to the whole number.
  The whole number given is 6, so we add: $6 + 0.75 = 6.75$.

Therefore, the correct decimal representation of $6\frac{3}{4}$ is $6.75$.