Basic Math Examples

28 - 15

$28 - 15$

Step 1

Subtract using long subtraction.

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Step 1.1

Set up the subtraction problem in long subtraction format.


	$2$ $2$	$8$ $8$
$-$ $-$	$1$ $1$	$5$ $5$

Step 1.2

Subtract

5

$5$ from

8

$8$ .


	$2$ $2$	$8$ $8$
$-$ $-$	$1$ $1$	$5$ $5$
		$3$ $3$

Step 1.3

Subtract

1

$1$ from

2

$2$ .


	$2$ $2$	$8$ $8$
$-$ $-$	$1$ $1$	$5$ $5$
	$1$ $1$	$3$ $3$


	$2$ $2$	$8$ $8$
$-$ $-$	$1$ $1$	$5$ $5$
	$1$ $1$	$3$ $3$

Step 2

The result of

28 - 15

$28 - 15$ is

13

$13$ .

13

$13$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$