Basic Math Examples

\frac{13}{18} - \frac{5}{18}

$\frac{13}{18} - \frac{5}{18}$

Step 1

Combine the numerators over the common denominator.

\frac{13 - 5}{18}

$\frac{13 - 5}{18}$

Step 2

Subtract

5

$5$ from

13

$13$ .

\frac{8}{18}

$\frac{8}{18}$

Step 3

Cancel the common factor of

8

$8$ and

18

$18$ .

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Step 3.1

Factor

2

$2$ out of

8

$8$ .

\frac{2 (4)}{18}

$\frac{2 (4)}{18}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor

2

$2$ out of

18

$18$ .

\frac{2 \cdot 4}{2 \cdot 9}

$\frac{2 \cdot 4}{2 \cdot 9}$

Step 3.2.2

Cancel the common factor.

$\frac{2 \cdot 4}{2 \cdot 9}$

Step 3.2.3

Rewrite the expression.

$\frac{4}{9}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{4}{9}$

Decimal Form:

$0.\overline{4}$

$\frac{13}{18} - \frac{5}{18}$

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