90123103 divided by 780 
Let's see how many times 780 fits into 90123103.

Let's proceed to step 1:
When dividing 9 by 780, we get 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 780

Moving on to step 2:
When dividing 90 by 780, we get 0 with a remainder of 90.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 90 and we're left with 90.
Take the next digit (1) from the dividend and append it to 90, then repeat: 901 / 780

Going ahead to step 3:
When dividing 901 by 780, we get 1 with a remainder of 121.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 780 from 901 to get 121.
Grab the next digit (2) from the dividend, add it to 121, then carry on: 1212 / 780

Let's proceed to step 4:
If we divide 1212 by 780, we get 1 and a remainder of 432.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
Subtract 780 from 1212 to get 432.
Include the next digit (3) from the dividend after 432, then repeat: 4323 / 780

Moving on to step 5:
The number 780 fits into 4323 5 times, leaving a remainder of 423.
Use 5 as the next digit of our solution. 
Result so far: 115.0
Subtracting 3900 from 4323 leaves us with 423.
Append the next digit (1) from the dividend to 423 and continue with: 4231 / 780

Going ahead to step 6:
780 can be fit into 4231 5 times, resulting in a remainder of 331.
Put 5 as the next digit of the answer. 
Result so far: 1155.0
Subtracting 3900 from 4231 leaves us with 331.
Bring next digit (0) of the dividend behind the 331 and repeat the process: 3310 / 780

Step 7:
If we divide 3310 by 780, we get 4 and a remainder of 190.
Write down 4 as next digit of the result. 
Result so far: 11554.0
Subtract 3120 from 3310 to get 190.
Fetch the next digit (3) from the dividend, attach it to 190 and continue: 1903 / 780

Step 8:
1903 divided by 780 is 2 with a remainder of 343.
Put 2 as the next digit of the answer. 
Result so far: 115542.0
If we take 1560 away from 1903, we end up with 343.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3430, and continue the process.

On to step 9:
780 can be fit into 3430 4 times, resulting in a remainder of 310.
The next digit of our result is 4. 
Result so far: 115542.4
If we take 3120 away from 3430, we end up with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

On to step 10:
780 can be fit into 3100 3 times, resulting in a remainder of 760.
Put 3 as the next digit of the answer. 
Result so far: 115542.43
Deduct 2340 from 3100 and we're left with 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

Let's proceed to step 11:
When dividing 7600 by 780, we get 9 with a remainder of 580.
Write down 9 as next digit of the result. 
Result so far: 115542.439
If we take 7020 away from 7600, we end up with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Let's proceed to step 12:
When dividing 5800 by 780, we get 7 with a remainder of 340.
The next digit of our result is 7. 
Result so far: 115542.4397
Subtract 5460 from 5800 to get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Going ahead to step 13:
3400 divided by 780 is 4 with a remainder of 280.
The number 4 becomes the next digit in our result. 
Result so far: 115542.43974
The remainder is 280 after subtracting 3120 from 3400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Going ahead to step 14:
780 can be fit into 2800 3 times, resulting in a remainder of 460.
Record the quotient 3 as the next digit in the result. 
Result so far: 115542.439743
If we take 2340 away from 2800, we end up with 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

Moving on to step 15:
4600 divided by 780 is 5 with a remainder of 700.
The number 5 becomes the next digit in our result. 
Result so far: 115542.4397435
If we take 3900 away from 4600, we end up with 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

On to step 16:
The number 780 fits into 7000 8 times, leaving a remainder of 760.
The next digit of our result is 8. 
Result so far: 115542.43974358
Subtract 6240 from 7000 to get 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

The quotient of the division is 115542.43974358, and the remainder is 7.6e-07.