How to calculate 21 multiplied by 9 using long multiplication

How to calculate 21 multiplied by 9

How to calculate 21 multiplied by 9 using long multiplication. Here is step-by-step how to calculate 21 times 9 using long multiplication:

Step 1: Setup
Set up your multiplication problem like this:

	2	1
x		9

Step 2: Multiply
9 x 1 = 9. Put 9 below the line and 0 as a reminder on top:

	0
	2	1
x		9
		9

Step 3: Multiply
9 x 2 = 18. Take 18 and add 0 from the previous step to get 18. Enter 18 at the bottom:

		2	1
x			9
	1	8	9

The bottom line is the answer. Therefore, 21 times 9 equals:

189

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How to calculate 22 multiplied by 9
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