How to calculate 21 multiplied by 7 using long multiplication

How to calculate 21 multiplied by 7

How to calculate 21 multiplied by 7 using long multiplication. Here is step-by-step how to calculate 21 times 7 using long multiplication:

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

	2	1
x		7

Step 2: Multiply
7 x 1 = 7. Put 7 below the line and 0 as a reminder on top:

	0
	2	1
x		7
		7

Step 3: Multiply
7 x 2 = 14. Take 14 and add 0 from the previous step to get 14. Enter 14 at the bottom:

		2	1
x			7
	1	4	7

The bottom line is the answer. Therefore, 21 times 7 equals:

147

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How to calculate 22 multiplied by 7
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