Evaluate 12*9

$12 \cdot 9$

Step 1

Multiply using long multiplication.

Multiply $9$ by $2$ . Place the ones digit $(8)$ in the result line and carry the tens digit $(1)$ . There is one result line for each digit in $9$ .

	$1$
	$1$	$2$
$⨯$		$9$
		$8$

Multiply $9$ by $1$ and add the carried $1$ . Place the ones digit $(0)$ in the result line and carry the tens digit $(1)$ . There is one result line for each digit in the $9$ .


	$1$	$2$
$⨯$		$9$
$1$	$0$	$8$

Add the numbers in each column. In this case, add $8$ , then place the $8$ in the result line.


	$1$	$2$
$⨯$		$9$
$1$	$0$	$8$
		$8$

Add the numbers in each column. In this case, add $0$ , then place the $0$ in the result line.


	$1$	$2$
$⨯$		$9$
$1$	$0$	$8$
	$0$	$8$

Add the numbers in each column. In this case, add $1$ , then place the $1$ in the result line.


	$1$	$2$
$⨯$		$9$
$1$	$0$	$8$
$1$	$0$	$8$


	$1$	$2$
$⨯$		$9$
$1$	$0$	$8$
$1$	$0$	$8$

Step 2

The result of $12 \cdot 9$ is $108$ .

$108$

Evaluate 12*9

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