Basic Math Examples

15 \frac{1}{2}

$15 \frac{1}{2}$

Step 1

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

15 + \frac{1}{2}

$15 + \frac{1}{2}$

Step 2

Add

15

$15$ and

\frac{1}{2}

$\frac{1}{2}$ .

Tap for more steps...

Step 2.1

To write

15

$15$ as a fraction with a common denominator, multiply by

\frac{2}{2}

$\frac{2}{2}$ .

15 \cdot \frac{2}{2} + \frac{1}{2}

$15 \cdot \frac{2}{2} + \frac{1}{2}$

Step 2.2

Combine

15

$15$ and

\frac{2}{2}

$\frac{2}{2}$ .

\frac{15 \cdot 2}{2} + \frac{1}{2}

$\frac{15 \cdot 2}{2} + \frac{1}{2}$

Step 2.3

Combine the numerators over the common denominator.

\frac{15 \cdot 2 + 1}{2}

$\frac{15 \cdot 2 + 1}{2}$

Step 2.4

Simplify the numerator.

Tap for more steps...

Step 2.4.1

Multiply

15

$15$ by

2

$2$ .

\frac{30 + 1}{2}

$\frac{30 + 1}{2}$

Step 2.4.2

Add

30

$30$ and

1

$1$ .

\frac{31}{2}

$\frac{31}{2}$

\frac{31}{2}

$\frac{31}{2}$

\frac{31}{2}

$\frac{31}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

\frac{31}{2}

$\frac{31}{2}$

Decimal Form:

15.5

$15.5$

Mixed Number Form:

15 \frac{1}{2}

$15 \frac{1}{2}$