How to calculate 99 multiplied by 89 using long multiplication

How to calculate 99 multiplied by 89

How to calculate 99 multiplied by 89 using long multiplication. Here is step-by-step how to calculate 99 times 89 using long multiplication:

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

	9	9
x	8	9

Step 2: Multiply
9 x 9 = 81. Put 1 below the line and 8 as a reminder on top:

	8
	9	9
x	8	9
		1

Step 3: Multiply
9 x 9 = 81. Take 81 and add 8 from the previous step to get 89. Enter 89 at the bottom:

		9	9
x		8	9
	8	9	1

Step 4: Add 0
Enter a 0 at the bottom right as a place holder, because you now move over one digit:

		9	9
x		8	9
	8	9	1
+			0

Step 5: Multiply
8 x 9 = 72. Put 2 below the line and 7 as a reminder on top:

		7
		9	9
x		8	9
	8	9	1
+		2	0

Step 6: Multiply
8 x 9 = 72. Take 72 and add 7 from the previous step to get 79. Enter 79 at the bottom:

			9	9
x			8	9
		8	9	1
+	7	9	2	0

Step 7: Add to get answer
Add up the bottom two numbers (891 + 7920 = 8811) to get the answer:

			9	9
x			8	9
		8	9	1
+	7	9	2	0
=	8	8	1	1

The bottom line is the answer. Therefore, 99 times 89 equals:

8811

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

How to calculate 90 multiplied by 90
Here is the next multiplication problem in our math book that we solved with long multiplication.