How to calculate 45 multiplied by 4 using long multiplication

How to calculate 45 multiplied by 4

How to calculate 45 multiplied by 4 using long multiplication. Here is step-by-step how to calculate 45 times 4 using long multiplication:

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

	4	5
x		4

Step 2: Multiply
4 x 5 = 20. Put 0 below the line and 2 as a reminder on top:

	2
	4	5
x		4
		0

Step 3: Multiply
4 x 4 = 16. Take 16 and add 2 from the previous step to get 18. Enter 18 at the bottom:

		4	5
x			4
	1	8	0

The bottom line is the answer. Therefore, 45 times 4 equals:

180

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How to calculate 46 multiplied by 4
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