Evaluate 18-(3^2)÷3

$18 - 3^{2} \div 3$

Simplify each term.

Rewrite the division as a fraction.

$18 - \frac{3^{2}}{3}$

Cancel the common factor of $3^{2}$ and $3$ .

Factor $3$ out of $3^{2}$ .

$18 - \frac{3 \cdot 3}{3}$

Cancel the common factors.

Factor $3$ out of $3$ .

$18 - \frac{3 \cdot 3}{3 (1)}$

Cancel the common factor.

$18 - \frac{3 \cdot 3}{3 \cdot 1}$

Rewrite the expression.

$18 - \frac{3}{1}$

Divide $3$ by $1$ .

$18 - 1 \cdot 3$

$18 - 1 \cdot 3$

$18 - 1 \cdot 3$

Multiply $- 1$ by $3$ .

$18 - 3$

$18 - 3$

Subtract $3$ from $18$ .

$15$

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