Basic Math Examples

$800 \cdot 1 - 20000 \cdot \frac{1}{100} - 30000 \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1

Simplify each term.

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Step 1.1

Multiply $800$ by $1$ .

$800 - 20000 \cdot \frac{1}{100} - 30000 \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1.2

Cancel the common factor of $100$ .

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Step 1.2.1

Factor $100$ out of $- 20000$ .

$800 + 100 (- 200) \cdot \frac{1}{100} - 30000 \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1.2.2

Cancel the common factor.

$800 + 100 \cdot - 200 \cdot \frac{1}{100} - 30000 \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1.2.3

Rewrite the expression.

$800 - 200 - 30000 \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1.3

Cancel the common factor of $200$ .

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Step 1.3.1

Factor $200$ out of $- 30000$ .

$800 - 200 + 200 (- 150) \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1.3.2

Cancel the common factor.

$800 - 200 + 200 \cdot - 150 \cdot \frac{1}{200} - 70000 \cdot \frac{1}{250}$

Step 1.3.3

Rewrite the expression.

$800 - 200 - 150 - 70000 \cdot \frac{1}{250}$

Step 1.4

Cancel the common factor of $250$ .

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Step 1.4.1

Factor $250$ out of $- 70000$ .

$800 - 200 - 150 + 250 (- 280) \cdot \frac{1}{250}$

Step 1.4.2

Cancel the common factor.

$800 - 200 - 150 + 250 \cdot - 280 \cdot \frac{1}{250}$

Step 1.4.3

Rewrite the expression.

$800 - 200 - 150 - 280$

Step 2

Simplify by subtracting numbers.

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Step 2.1

Subtract $200$ from $800$ .

$600 - 150 - 280$

Step 2.2

Subtract $150$ from $600$ .

$450 - 280$

Step 2.3

Subtract $280$ from $450$ .

$170$