Basic Math Examples

$80 \div 4 \cdot (2 - 4) \div 40$

Step 1

Rewrite the division as a fraction.

$\frac{80 \div 4 \cdot (2 - 4)}{40}$

Step 2

Cancel the common factor of $80$ and $4$ .

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Step 2.1

Factor $4$ out of $80$ .

$\frac{4 \cdot 20 \div 4 \cdot (2 - 4)}{40}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $4$ out of $4$ .

$\frac{4 \cdot 20 \div 4 (1) \cdot (2 - 4)}{40}$

Step 2.2.2

Cancel the common factor.

$\frac{4 \cdot 20 \div 4 \cdot 1 \cdot (2 - 4)}{40}$

Step 2.2.3

Rewrite the expression.

$\frac{\frac{20}{1} \cdot (2 - 4)}{40}$

Step 2.2.4

Divide $20$ by $1$ .

$\frac{20 \cdot (2 - 4)}{40}$

$\frac{20 \cdot (2 - 4)}{40}$

$\frac{20 \cdot (2 - 4)}{40}$

Step 3

Cancel the common factor of $20$ and $40$ .

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Step 3.1

Factor $20$ out of $20 \cdot (2 - 4)$ .

$\frac{20 (2 - 4)}{40}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor $20$ out of $40$ .

$\frac{20 (2 - 4)}{20 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{20 (2 - 4)}{20 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{2 - 4}{2}$

$\frac{2 - 4}{2}$

$\frac{2 - 4}{2}$

Step 4

Cancel the common factor of $2 - 4$ and $2$ .

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Step 4.1

Factor $2$ out of $2$ .

$\frac{2 \cdot 1 - 4}{2}$

Step 4.2

Factor $2$ out of $- 4$ .

$\frac{2 \cdot 1 + 2 \cdot - 2}{2}$

Step 4.3

Factor $2$ out of $2 \cdot 1 + 2 \cdot - 2$ .

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

Step 4.4

Cancel the common factors.

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Step 4.4.1

Factor $2$ out of $2$ .

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

Step 4.4.2

Cancel the common factor.

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

Step 4.4.3

Rewrite the expression.

$\frac{1 - 2}{1}$

Step 4.4.4

Divide $1 - 2$ by $1$ .

$1 - 2$

$1 - 2$

$1 - 2$

Step 5

Subtract $2$ from $1$ .

$- 1$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$