Convert Improper Fraction 18/5 to Mixed Number Form

To write the improper fraction $\frac{18}{5}$ as a mixed number, we perform the following steps:

• Step 1: Divide the numerator by the denominator. Calculate $18 \div 5$.
• Step 2: Determine the quotient and remainder. The division $18 \div 5$ gives a quotient of 3 and a remainder of 3.
• Step 3: Express this result as a mixed number. The quotient 3 becomes the whole number, and the remainder 3 is the numerator of the fraction part, with the denominator 5 retained.

These steps yield the mixed number $3\frac{3}{5}$. By examining the choices provided, we confirm that choice 1, $3\frac{3}{5}$, is the correct option.

Therefore, the fraction $\frac{18}{5}$ as a mixed number is $3\frac{3}{5}$.