How to calculate 88 multiplied by 81 using long multiplication

How to calculate 88 multiplied by 81

How to calculate 88 multiplied by 81 using long multiplication. Here is step-by-step how to calculate 88 times 81 using long multiplication:

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

	8	8
x	8	1

Step 2: Multiply
8 x 1 = 8. Put 8 below the line and 0 as a reminder on top:

	0
	8	8
x	8	1
		8

Step 3: Multiply
1 x 8 = 8. Take 8 and add 0 from the previous step to get 8. Enter 8 at the bottom:

	8	8
x	8	1
	8	8

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

	8	8
x	8	1
	8	8
+		0

Step 5: Multiply
8 x 8 = 64. Put 4 below the line and 6 as a reminder on top:

	6
	8	8
x	8	1
	8	8
+	4	0

Step 6: Multiply
8 x 8 = 64. Take 64 and add 6 from the previous step to get 70. Enter 70 at the bottom:

			8	8
x			8	1
			8	8
+	7	0	4	0

Step 7: Add to get answer
Add up the bottom two numbers (88 + 7040 = 7128) to get the answer:

			8	8
x			8	1
			8	8
+	7	0	4	0
=	7	1	2	8

The bottom line is the answer. Therefore, 88 times 81 equals:

7128

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How to calculate 89 multiplied by 81
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