12391452 divided by 943 
Let's see how many times 943 fits into 12391452.

Going ahead to step 1:
The number 943 fits into 1 0 times, leaving a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 943

Let's proceed to step 2:
If we divide 12 by 943, we get 0 and a remainder of 12.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 12, we end up with 12.
Include the next digit (3) from the dividend after 12, then repeat: 123 / 943

Let's proceed to step 3:
123 divided by 943 is 0 with a remainder of 123.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 123, we end up with 123.
Fetch the next digit (9) from the dividend, attach it to 123 and continue: 1239 / 943

Going ahead to step 4:
1239 divided by 943 is 1 with a remainder of 296.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 943 from 1239 to get 296.
Include the next digit (1) from the dividend after 296, then repeat: 2961 / 943

On to step 5:
The number 943 fits into 2961 3 times, leaving a remainder of 132.
Use 3 as the next digit of our solution. 
Result so far: 13.0
If we subtract 2829 from 2961, we get 132.
Grab the next digit (4) from the dividend, add it to 132, then carry on: 1324 / 943

Advancing to step 6:
1324 divided by 943 is 1 with a remainder of 381.
The next digit of our result is 1. 
Result so far: 131.0
If we take 943 away from 1324, we end up with 381.
Take the next digit (5) from the dividend and append it to 381, then repeat: 3815 / 943

Let's proceed to step 7:
When dividing 3815 by 943, we get 4 with a remainder of 43.
Write down 4 as next digit of the result. 
Result so far: 1314.0
If we take 3772 away from 3815, we end up with 43.
Grab the next digit (2) from the dividend, add it to 43, then carry on: 432 / 943

Going ahead to step 8:
If we divide 432 by 943, we get 0 and a remainder of 432.
Write down 0 as next digit of the result. 
Result so far: 13140.0
Subtracting 0 from 432 leaves us with 432.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4320, and continue the process.

Going ahead to step 9:
When dividing 4320 by 943, we get 4 with a remainder of 548.
Record the quotient 4 as the next digit in the result. 
Result so far: 13140.4
Deduct 3772 from 4320 and we're left with 548.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5480, and continue the process.

Advancing to step 10:
943 can be fit into 5480 5 times, resulting in a remainder of 765.
Use 5 as the next digit of our solution. 
Result so far: 13140.45
Subtract 4715 from 5480 to get 765.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7650, and continue the process.

On to step 11:
When dividing 7650 by 943, we get 8 with a remainder of 106.
Use 8 as the next digit of our solution. 
Result so far: 13140.458
Subtracting 7544 from 7650 leaves us with 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Let's proceed to step 12:
943 can be fit into 1060 1 times, resulting in a remainder of 117.
The next digit of our result is 1. 
Result so far: 13140.4581
The remainder is 117 after subtracting 943 from 1060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1170, and continue the process.

Step 13:
When dividing 1170 by 943, we get 1 with a remainder of 227.
Use 1 as the next digit of our solution. 
Result so far: 13140.45811
Subtracting 943 from 1170 leaves us with 227.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2270, and continue the process.

The final result is 13140.45811 with a remainder of 0.000227.