How to calculate 45 multiplied by 3 using long multiplication

How to calculate 45 multiplied by 3

How to calculate 45 multiplied by 3 using long multiplication. Here is step-by-step how to calculate 45 times 3 using long multiplication:

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

	4	5
x		3

Step 2: Multiply
3 x 5 = 15. Put 5 below the line and 1 as a reminder on top:

	1
	4	5
x		3
		5

Step 3: Multiply
3 x 4 = 12. Take 12 and add 1 from the previous step to get 13. Enter 13 at the bottom:

		4	5
x			3
	1	3	5

The bottom line is the answer. Therefore, 45 times 3 equals:

135

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How to calculate 46 multiplied by 3
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