Basic Math Examples

- \frac{1}{20} - \frac{15}{20}

$- \frac{1}{20} - \frac{15}{20}$

Step 1

Combine the numerators over the common denominator.

\frac{- 1 - 15}{20}

$\frac{- 1 - 15}{20}$

Step 2

Subtract

15

$15$ from

- 1

$- 1$ .

\frac{- 16}{20}

$\frac{- 16}{20}$

Step 3

Cancel the common factor of

- 16

$- 16$ and

20

$20$ .

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Step 3.1

Factor

4

$4$ out of

- 16

$- 16$ .

\frac{4 (- 4)}{20}

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

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor

4

$4$ out of

20

$20$ .

\frac{4 \cdot - 4}{4 \cdot 5}

$\frac{4 \cdot - 4}{4 \cdot 5}$

Step 3.2.2

Cancel the common factor.

$\frac{4 \cdot - 4}{4 \cdot 5}$

Step 3.2.3

Rewrite the expression.

$\frac{- 4}{5}$

Step 4

Move the negative in front of the fraction.

$- \frac{4}{5}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$- \frac{4}{5}$

Decimal Form:

$- 0.8$