Basic Math Examples

- 18 \frac{5}{8}

$- 18 \frac{5}{8}$

Step 1

A mixed number is an addition of its whole and fractional parts.

- (18 + \frac{5}{8})

$- (18 + \frac{5}{8})$

Step 2

Add

18

$18$ and

\frac{5}{8}

$\frac{5}{8}$ .

Tap for more steps...

Step 2.1

To write

18

$18$ as a fraction with a common denominator, multiply by

\frac{8}{8}

$\frac{8}{8}$ .

- (18 \cdot \frac{8}{8} + \frac{5}{8})

$- (18 \cdot \frac{8}{8} + \frac{5}{8})$

Step 2.2

Combine

18

$18$ and

\frac{8}{8}

$\frac{8}{8}$ .

- (\frac{18 \cdot 8}{8} + \frac{5}{8})

$- (\frac{18 \cdot 8}{8} + \frac{5}{8})$

Step 2.3

Combine the numerators over the common denominator.

- \frac{18 \cdot 8 + 5}{8}

$- \frac{18 \cdot 8 + 5}{8}$

Step 2.4

Simplify the numerator.

Tap for more steps...

Step 2.4.1

Multiply

18

$18$ by

8

$8$ .

- \frac{144 + 5}{8}

$- \frac{144 + 5}{8}$

Step 2.4.2

Add

144

$144$ and

5

$5$ .

- \frac{149}{8}

$- \frac{149}{8}$

- \frac{149}{8}

$- \frac{149}{8}$

- \frac{149}{8}

$- \frac{149}{8}$

Step 3

The result can be shown in multiple forms.

Exact Form:

- \frac{149}{8}

$- \frac{149}{8}$

Decimal Form:

- 18.625

$- 18.625$

Mixed Number Form:

- 18 \frac{5}{8}

$- 18 \frac{5}{8}$