Evaluate 8-1-(18-2)÷8

$8 - 1 - (18 - 2) \div 8$

Find the common denominator.

Write $8$ as a fraction with denominator $1$ .

$\frac{8}{1} - 1 - (18 - 2) \div 8$

Multiply $\frac{8}{1}$ by $\frac{8}{8}$ .

$\frac{8}{1} \cdot \frac{8}{8} - 1 - (18 - 2) \div 8$

Multiply $\frac{8}{1}$ by $\frac{8}{8}$ .

$\frac{8 \cdot 8}{8} - 1 - (18 - 2) \div 8$

Write $- 1$ as a fraction with denominator $1$ .

$\frac{8 \cdot 8}{8} + \frac{- 1}{1} - (18 - 2) \div 8$

Multiply $\frac{- 1}{1}$ by $\frac{8}{8}$ .

$\frac{8 \cdot 8}{8} + \frac{- 1}{1} \cdot \frac{8}{8} - (18 - 2) \div 8$

Multiply $\frac{- 1}{1}$ by $\frac{8}{8}$ .

$\frac{8 \cdot 8}{8} + \frac{- 1 \cdot 8}{8} - (18 - 2) \div 8$

Combine the numerators over the common denominator.

$\frac{8 \cdot 8 - 1 \cdot 8 - (18 - 2)}{8}$

Simplify each term.

Multiply $8$ by $8$ .

$\frac{64 - 1 \cdot 8 - (18 - 2)}{8}$

Multiply $- 1$ by $8$ .

$\frac{64 - 8 - (18 - 2)}{8}$

Subtract $2$ from $18$ .

$\frac{64 - 8 - 1 \cdot 16}{8}$

Multiply $- 1$ by $16$ .

$\frac{64 - 8 - 16}{8}$

Simplify the expression.

Subtract $8$ from $64$ .

$\frac{56 - 16}{8}$

Subtract $16$ from $56$ .

$\frac{40}{8}$

Divide $40$ by $8$ .

$5$