How to calculate 31 multiplied by 12


Long Multiplication

How to calculate 31 multiplied by 12 using long multiplication. Here is step-by-step how to calculate 31 times 12 using long multiplication:

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

              3 1
      x       1 2
                 

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

              0  
              3 1
      x       1 2
                2

Step 3: Multiply
2 x 3 = 6. Take 6 and add 0 from the previous step to get 6. Enter 6 at the bottom:

              3 1
      x       1 2
              6 2

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

              3 1
      x       1 2
              6 2
      +         0

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

              0  
              3 1
      x       1 2
              6 2
      +       1 0

Step 6: Multiply
1 x 3 = 3. Take 3 and add 0 from the previous step to get 3. Enter 3 at the bottom:

              3 1
      x       1 2
              6 2
      +     3 1 0

Step 7: Add to get answer
Add up the bottom two numbers (62 + 310 = 372) to get the answer:

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

The bottom line is the answer. Therefore, 31 times 12 equals:

372


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How to calculate 32 multiplied by 12
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