Basic Math Examples

\frac{1}{10} - \frac{1}{20}

$\frac{1}{10} - \frac{1}{20}$

Step 1

To write

\frac{1}{10}

$\frac{1}{10}$ as a fraction with a common denominator, multiply by

\frac{2}{2}

$\frac{2}{2}$ .

\frac{1}{10} \cdot \frac{2}{2} - \frac{1}{20}

$\frac{1}{10} \cdot \frac{2}{2} - \frac{1}{20}$

Step 2

Write each expression with a common denominator of

20

$20$ , by multiplying each by an appropriate factor of

1

$1$ .

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Step 2.1

Multiply

\frac{1}{10}

$\frac{1}{10}$ by

\frac{2}{2}

$\frac{2}{2}$ .

\frac{2}{10 \cdot 2} - \frac{1}{20}

$\frac{2}{10 \cdot 2} - \frac{1}{20}$

Step 2.2

Multiply

10

$10$ by

2

$2$ .

\frac{2}{20} - \frac{1}{20}

$\frac{2}{20} - \frac{1}{20}$

\frac{2}{20} - \frac{1}{20}

$\frac{2}{20} - \frac{1}{20}$

Step 3

Combine the numerators over the common denominator.

\frac{2 - 1}{20}

$\frac{2 - 1}{20}$

Step 4

Subtract

1

$1$ from

2

$2$ .

\frac{1}{20}

$\frac{1}{20}$

Step 5

The result can be shown in multiple forms.

Exact Form:

\frac{1}{20}

$\frac{1}{20}$

Decimal Form:

0.05

$0.05$