373451 ÷ 39 
We're looking to find how many times 39 goes into 373451.

Going ahead to step 1:
If we divide 3 by 39, we get 0 and a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Append the next digit (7) from the dividend to 3 and continue with: 37 / 39

Moving on to step 2:
If we divide 37 by 39, we get 0 and a remainder of 37.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 37 after subtracting 0 from 37.
Include the next digit (3) from the dividend after 37, then repeat: 373 / 39

On to step 3:
If we divide 373 by 39, we get 9 and a remainder of 22.
The next digit of our result is 9. 
Result so far: 9.0
The remainder is 22 after subtracting 351 from 373.
Fetch the next digit (4) from the dividend, attach it to 22 and continue: 224 / 39

On to step 4:
When dividing 224 by 39, we get 5 with a remainder of 29.
The next digit of our result is 5. 
Result so far: 95.0
Subtract 195 from 224 to get 29.
Take the next digit (5) from the dividend and append it to 29, then repeat: 295 / 39

Going ahead to step 5:
39 goes into 295 7 times with a remainder of 22.
The next digit of our result is 7. 
Result so far: 957.0
If we subtract 273 from 295, we get 22.
Take the next digit (1) from the dividend and append it to 22, then repeat: 221 / 39

Going ahead to step 6:
39 can be fit into 221 5 times, resulting in a remainder of 26.
The number 5 becomes the next digit in our result. 
Result so far: 9575.0
If we take 195 away from 221, we end up with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 7:
39 goes into 260 6 times with a remainder of 26.
Put 6 as the next digit of the answer. 
Result so far: 9575.6
Deduct 234 from 260 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

On to step 8:
When dividing 260 by 39, we get 6 with a remainder of 26.
Write down 6 as next digit of the result. 
Result so far: 9575.66
The remainder is 26 after subtracting 234 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

The quotient of the division is 9575.66, and the remainder is 0.026.