Basic Math Examples

\frac{1}{10000} - \frac{1}{1000}

$\frac{1}{10000} - \frac{1}{1000}$

Step 1

To write

- \frac{1}{1000}

$- \frac{1}{1000}$ as a fraction with a common denominator, multiply by

\frac{10}{10}

$\frac{10}{10}$ .

\frac{1}{10000} - \frac{1}{1000} \cdot \frac{10}{10}

$\frac{1}{10000} - \frac{1}{1000} \cdot \frac{10}{10}$

Step 2

Write each expression with a common denominator of

10000

$10000$ , by multiplying each by an appropriate factor of

1

$1$ .

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Step 2.1

Multiply

\frac{1}{1000}

$\frac{1}{1000}$ by

\frac{10}{10}

$\frac{10}{10}$ .

\frac{1}{10000} - \frac{10}{1000 \cdot 10}

$\frac{1}{10000} - \frac{10}{1000 \cdot 10}$

Step 2.2

Multiply

1000

$1000$ by

10

$10$ .

\frac{1}{10000} - \frac{10}{10000}

$\frac{1}{10000} - \frac{10}{10000}$

\frac{1}{10000} - \frac{10}{10000}

$\frac{1}{10000} - \frac{10}{10000}$

Step 3

Combine the numerators over the common denominator.

\frac{1 - 10}{10000}

$\frac{1 - 10}{10000}$

Step 4

Subtract

10

$10$ from

1

$1$ .

\frac{- 9}{10000}

$\frac{- 9}{10000}$

Step 5

Move the negative in front of the fraction.

- \frac{9}{10000}

$- \frac{9}{10000}$

Step 6

The result can be shown in multiple forms.

Exact Form:

- \frac{9}{10000}

$- \frac{9}{10000}$

Decimal Form:

- 0.0009

$- 0.0009$