Basic Math Examples

$(- 1 \div 1) - 5 - (- 7) - 8$

Step 1

Find the common denominator.

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Step 1.1

Write $- 5$ as a fraction with denominator $1$ .

$- 1 \div 1 + \frac{- 5}{1} - (- 7) - 8$

Step 1.2

Multiply $\frac{- 5}{1}$ by $\frac{1}{1}$ .

$- 1 \div 1 + \frac{- 5}{1} \cdot \frac{1}{1} - (- 7) - 8$

Step 1.3

Multiply $\frac{- 5}{1}$ by $\frac{1}{1}$ .

$- 1 \div 1 + \frac{- 5}{1} - (- 7) - 8$

Step 1.4

Write $- (- 7)$ as a fraction with denominator $1$ .

$- 1 \div 1 + \frac{- 5}{1} + \frac{- (- 7)}{1} - 8$

Step 1.5

Multiply $\frac{- (- 7)}{1}$ by $\frac{1}{1}$ .

$- 1 \div 1 + \frac{- 5}{1} + \frac{- (- 7)}{1} \cdot \frac{1}{1} - 8$

Step 1.6

Multiply $\frac{- (- 7)}{1}$ by $\frac{1}{1}$ .

$- 1 \div 1 + \frac{- 5}{1} + \frac{- (- 7)}{1} - 8$

Step 1.7

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

$- 1 \div 1 + \frac{- 5}{1} + \frac{- (- 7)}{1} + \frac{- 8}{1}$

Step 1.8

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

$- 1 \div 1 + \frac{- 5}{1} + \frac{- (- 7)}{1} + \frac{- 8}{1} \cdot \frac{1}{1}$

Step 1.9

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

$- 1 \div 1 + \frac{- 5}{1} + \frac{- (- 7)}{1} + \frac{- 8}{1}$

Step 2

Combine the numerators over the common denominator.

$\frac{- 1 - 5 - (- 7) - 8}{1}$

Step 3

Simplify the expression.

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Step 3.1

Multiply $- 1$ by $- 7$ .

$\frac{- 1 - 5 + 7 - 8}{1}$

Step 3.2

Subtract $5$ from $- 1$ .

$\frac{- 6 + 7 - 8}{1}$

Step 3.3

Add $- 6$ and $7$ .

$\frac{1 - 8}{1}$

Step 3.4

Subtract $8$ from $1$ .

$\frac{- 7}{1}$

Step 3.5

Divide $- 7$ by $1$ .

$- 7$