Basic Math Examples

$(2.8 - 4 + 2 \cdot 10 \div 5) \div 2$

Step 1

Rewrite the division as a fraction.

$\frac{2.8 - 4 + 2 \cdot 10 \div 5}{2}$

Step 2

Cancel the common factor of

$10$ and

$5$ .

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Step 2.1

Factor

$5$ out of

$2 \cdot 10$ .

$\frac{2.8 - 4 + 5 (2 \cdot 2) \div 5}{2}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor

$5$ out of

$5$ .

$\frac{2.8 - 4 + 5 (2 \cdot 2) \div 5 (1)}{2}$

Step 2.2.2

Cancel the common factor.

$\frac{2.8 - 4 + 5 (2 \cdot 2) \div 5 \cdot 1}{2}$

Step 2.2.3

Rewrite the expression.

$\frac{2.8 - 4 + \frac{2 \cdot 2}{1}}{2}$

Step 2.2.4

Divide

$2 \cdot 2$ by

$1$ .

$\frac{2.8 - 4 + 2 \cdot 2}{2}$

$\frac{2.8 - 4 + 2 \cdot 2}{2}$

$\frac{2.8 - 4 + 2 \cdot 2}{2}$

Step 3

Simplify the numerator.

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Step 3.1

Multiply

$2$ by

$2$ .

$\frac{2.8 - 4 + 4}{2}$

Step 3.2

Subtract

$4$ from

$2.8$ .

$\frac{- 1.2 + 4}{2}$

Step 3.3

Add

$- 1.2$ and

$4$ .

$\frac{2.8}{2}$

$\frac{2.8}{2}$

Step 4

Divide

$2.8$ by

$2$ .

$1.4$

$(2.8 - 4 + 2 \cdot 10 \div 5) \div 2$

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