Basic Math Examples

\frac{9}{5} - 1

$\frac{9}{5} - 1$

Step 1

To write

- 1

$- 1$ as a fraction with a common denominator, multiply by

\frac{5}{5}

$\frac{5}{5}$ .

\frac{9}{5} - 1 \cdot \frac{5}{5}

$\frac{9}{5} - 1 \cdot \frac{5}{5}$

Step 2

Combine

- 1

$- 1$ and

\frac{5}{5}

$\frac{5}{5}$ .

\frac{9}{5} + \frac{- 1 \cdot 5}{5}

$\frac{9}{5} + \frac{- 1 \cdot 5}{5}$

Step 3

Combine the numerators over the common denominator.

\frac{9 - 1 \cdot 5}{5}

$\frac{9 - 1 \cdot 5}{5}$

Step 4

Simplify the numerator.

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Step 4.1

Multiply

- 1

$- 1$ by

5

$5$ .

\frac{9 - 5}{5}

$\frac{9 - 5}{5}$

Step 4.2

Subtract

5

$5$ from

9

$9$ .

\frac{4}{5}

$\frac{4}{5}$

\frac{4}{5}

$\frac{4}{5}$

Step 5

The result can be shown in multiple forms.

Exact Form:

\frac{4}{5}

$\frac{4}{5}$

Decimal Form:

0.8

$0.8$