How to calculate 99 multiplied by 72 using long multiplication

How to calculate 99 multiplied by 72

How to calculate 99 multiplied by 72 using long multiplication. Here is step-by-step how to calculate 99 times 72 using long multiplication:

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

	9	9
x	7	2

Step 2: Multiply
9 x 2 = 18. Put 8 below the line and 1 as a reminder on top:

	1
	9	9
x	7	2
		8

Step 3: Multiply
2 x 9 = 18. Take 18 and add 1 from the previous step to get 19. Enter 19 at the bottom:

		9	9
x		7	2
	1	9	8

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		7	2
	1	9	8
+			0

Step 5: Multiply
7 x 9 = 63. Put 3 below the line and 6 as a reminder on top:

		6
		9	9
x		7	2
	1	9	8
+		3	0

Step 6: Multiply
7 x 9 = 63. Take 63 and add 6 from the previous step to get 69. Enter 69 at the bottom:

			9	9
x			7	2
		1	9	8
+	6	9	3	0

Step 7: Add to get answer
Add up the bottom two numbers (198 + 6930 = 7128) to get the answer:

			9	9
x			7	2
		1	9	8
+	6	9	3	0
=	7	1	2	8

The bottom line is the answer. Therefore, 99 times 72 equals:

7128

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