How to calculate 90 multiplied by 11 using long multiplication

How to calculate 90 multiplied by 11

How to calculate 90 multiplied by 11 using long multiplication. Here is step-by-step how to calculate 90 times 11 using long multiplication:

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

	9	0
x	1	1

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

	0
	9	0
x	1	1
		0

Step 3: Multiply
1 x 9 = 9. Take 9 and add 0 from the previous step to get 9. Enter 9 at the bottom:

	9	0
x	1	1
	9	0

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

	9	0
x	1	1
	9	0
+		0

Step 5: Multiply
1 x 0 = 0. Put 0 below the line and 0 as a reminder on top:

	0
	9	0
x	1	1
	9	0
+	0	0

Step 6: Multiply
1 x 9 = 9. Take 9 and add 0 from the previous step to get 9. Enter 9 at the bottom:

		9	0
x		1	1
		9	0
+	9	0	0

Step 7: Add to get answer
Add up the bottom two numbers (90 + 900 = 990) to get the answer:

		9	0
x		1	1
		9	0
+	9	0	0
=	9	9	0

The bottom line is the answer. Therefore, 90 times 11 equals:

990

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How to calculate 91 multiplied by 11
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