Basic Math Examples

47 \cdot 9

$47 \cdot 9$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

9

$9$ by

7

$7$ . Place the ones digit

(3)

$(3)$ in the result line and carry the tens digit

(6)

$(6)$ . There is one result line for each digit in

9

$9$ .

Step 1.2

Multiply

9

$9$ by

4

$4$ and add the carried

6

$6$ . Place the ones digit

(2)

$(2)$ in the result line and carry the tens digit

(4)

$(4)$ . There is one result line for each digit in the

9

$9$ .

Step 1.3

Add the numbers in each column. In this case, add

3

$3$ , then place the

3

$3$ in the result line.

Step 1.4

Add the numbers in each column. In this case, add

2

$2$ , then place the

2

$2$ in the result line.

Step 1.5

Add the numbers in each column. In this case, add

4

$4$ , then place the

4

$4$ in the result line.

Step 2

The result of

47 \cdot 9

$47 \cdot 9$ is

423

$423$ .

423

$423$