How to calculate 15 multiplied by 3 using long multiplication

How to calculate 15 multiplied by 3

How to calculate 15 multiplied by 3 using long multiplication. Here is step-by-step how to calculate 15 times 3 using long multiplication:

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

	1	5
x		3

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

	1
	1	5
x		3
		5

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

	1	5
x		3
	4	5

The bottom line is the answer. Therefore, 15 times 3 equals:

45

Long Multiplication Calculator
Please enter another multiplication problem for us to explain and solve:

How to calculate 16 multiplied by 3
Here is the next multiplication problem in our math book that we solved with long multiplication.