How to calculate 89 multiplied by 88 using long multiplication

How to calculate 89 multiplied by 88

How to calculate 89 multiplied by 88 using long multiplication. Here is step-by-step how to calculate 89 times 88 using long multiplication:

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

	8	9
x	8	8

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

	7
	8	9
x	8	8
		2

Step 3: Multiply
8 x 8 = 64. Take 64 and add 7 from the previous step to get 71. Enter 71 at the bottom:

		8	9
x		8	8
	7	1	2

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

		8	9
x		8	8
	7	1	2
+			0

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

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

Step 6: Multiply
8 x 8 = 64. Take 64 and add 7 from the previous step to get 71. Enter 71 at the bottom:

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

Step 7: Add to get answer
Add up the bottom two numbers (712 + 7120 = 7832) to get the answer:

			8	9
x			8	8
		7	1	2
+	7	1	2	0
=	7	8	3	2

The bottom line is the answer. Therefore, 89 times 88 equals:

7832

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How to calculate 90 multiplied by 88
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