Evaluate 85/5-123+43

$\frac{85}{5} - 12 \cdot 3 + 4 \cdot 3$

Step 1

Find the common denominator.

Write $- 12 \cdot 3$ as a fraction with denominator $1$ .

$\frac{85}{5} + \frac{- 12 \cdot 3}{1} + 4 \cdot 3$

Multiply $\frac{- 12 \cdot 3}{1}$ by $\frac{5}{5}$ .

$\frac{85}{5} + \frac{- 12 \cdot 3}{1} \cdot \frac{5}{5} + 4 \cdot 3$

Multiply $\frac{- 12 \cdot 3}{1}$ by $\frac{5}{5}$ .

$\frac{85}{5} + \frac{- 12 \cdot 3 \cdot 5}{5} + 4 \cdot 3$

Write $4 \cdot 3$ as a fraction with denominator $1$ .

$\frac{85}{5} + \frac{- 12 \cdot 3 \cdot 5}{5} + \frac{4 \cdot 3}{1}$

Multiply $\frac{4 \cdot 3}{1}$ by $\frac{5}{5}$ .

$\frac{85}{5} + \frac{- 12 \cdot 3 \cdot 5}{5} + \frac{4 \cdot 3}{1} \cdot \frac{5}{5}$

Multiply $\frac{4 \cdot 3}{1}$ by $\frac{5}{5}$ .

$\frac{85}{5} + \frac{- 12 \cdot 3 \cdot 5}{5} + \frac{4 \cdot 3 \cdot 5}{5}$

Step 2

Combine the numerators over the common denominator.

$\frac{85 - 12 \cdot 3 \cdot 5 + 4 \cdot 3 \cdot 5}{5}$

Step 3

Simplify each term.

Multiply $- 12 \cdot 3 \cdot 5$ .

Multiply $- 12$ by $3$ .

$\frac{85 - 36 \cdot 5 + 4 \cdot 3 \cdot 5}{5}$

Multiply $- 36$ by $5$ .

$\frac{85 - 180 + 4 \cdot 3 \cdot 5}{5}$

Multiply $4 \cdot 3 \cdot 5$ .

Multiply $4$ by $3$ .

$\frac{85 - 180 + 12 \cdot 5}{5}$

Multiply $12$ by $5$ .

$\frac{85 - 180 + 60}{5}$

Step 4

Simplify the expression.

Subtract $180$ from $85$ .

$\frac{- 95 + 60}{5}$

Add $- 95$ and $60$ .

$\frac{- 35}{5}$

Divide $- 35$ by $5$ .

$- 7$

Evaluate 85/5-12*3+4*3