How to calculate 90 multiplied by 9 using long multiplication

How to calculate 90 multiplied by 9

How to calculate 90 multiplied by 9 using long multiplication. Here is step-by-step how to calculate 90 times 9 using long multiplication:

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

	9	0
x		9

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

	0
	9	0
x		9
		0

Step 3: Multiply
9 x 9 = 81. Take 81 and add 0 from the previous step to get 81. Enter 81 at the bottom:

		9	0
x			9
	8	1	0

The bottom line is the answer. Therefore, 90 times 9 equals:

810

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How to calculate 91 multiplied by 9
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