How to calculate 54 multiplied by 21 using long multiplication

How to calculate 54 multiplied by 21

How to calculate 54 multiplied by 21 using long multiplication. Here is step-by-step how to calculate 54 times 21 using long multiplication:

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

	5	4
x	2	1

Step 2: Multiply
4 x 1 = 4. Put 4 below the line and 0 as a reminder on top:

	0
	5	4
x	2	1
		4

Step 3: Multiply
1 x 5 = 5. Take 5 and add 0 from the previous step to get 5. Enter 5 at the bottom:

	5	4
x	2	1
	5	4

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

	5	4
x	2	1
	5	4
+		0

Step 5: Multiply
2 x 4 = 8. Put 8 below the line and 0 as a reminder on top:

	0
	5	4
x	2	1
	5	4
+	8	0

Step 6: Multiply
2 x 5 = 10. Take 10 and add 0 from the previous step to get 10. Enter 10 at the bottom:

			5	4
x			2	1
			5	4
+	1	0	8	0

Step 7: Add to get answer
Add up the bottom two numbers (54 + 1080 = 1134) to get the answer:

			5	4
x			2	1
			5	4
+	1	0	8	0
=	1	1	3	4

The bottom line is the answer. Therefore, 54 times 21 equals:

1134

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How to calculate 55 multiplied by 21
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