7402854 divided by 621 
Our goal is to divide 7402854 by 621.

Going ahead to step 1:
The number 621 fits into 7 0 times, leaving a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Grab the next digit (4) from the dividend, add it to 7, then carry on: 74 / 621

Let's proceed to step 2:
621 can be fit into 74 0 times, resulting in a remainder of 74.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 74, we get 74.
Grab the next digit (0) from the dividend, add it to 74, then carry on: 740 / 621

Let's proceed to step 3:
The number 621 fits into 740 1 times, leaving a remainder of 119.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 621 from 740, we get 119.
Include the next digit (2) from the dividend after 119, then repeat: 1192 / 621

Advancing to step 4:
When dividing 1192 by 621, we get 1 with a remainder of 571.
Put 1 as the next digit of the answer. 
Result so far: 11.0
If we subtract 621 from 1192, we get 571.
Include the next digit (8) from the dividend after 571, then repeat: 5718 / 621

Let's proceed to step 5:
621 goes into 5718 9 times with a remainder of 129.
The next digit of our result is 9. 
Result so far: 119.0
Subtracting 5589 from 5718 leaves us with 129.
Append the next digit (5) from the dividend to 129 and continue with: 1295 / 621

Going ahead to step 6:
621 goes into 1295 2 times with a remainder of 53.
Use 2 as the next digit of our solution. 
Result so far: 1192.0
Deduct 1242 from 1295 and we're left with 53.
Bring next digit (4) of the dividend behind the 53 and repeat the process: 534 / 621

Going ahead to step 7:
534 divided by 621 is 0 with a remainder of 534.
The next digit of our result is 0. 
Result so far: 11920.0
Subtracting 0 from 534 leaves us with 534.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5340, and continue the process.

Advancing to step 8:
5340 divided by 621 is 8 with a remainder of 372.
The next digit of our result is 8. 
Result so far: 11920.8
Subtract 4968 from 5340 to get 372.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3720, and continue the process.

Going ahead to step 9:
If we divide 3720 by 621, we get 5 and a remainder of 615.
Write down 5 as next digit of the result. 
Result so far: 11920.85
If we subtract 3105 from 3720, we get 615.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6150, and continue the process.

Step 10:
6150 divided by 621 is 9 with a remainder of 561.
Put 9 as the next digit of the answer. 
Result so far: 11920.859
If we take 5589 away from 6150, we end up with 561.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5610, and continue the process.

Step 11:
If we divide 5610 by 621, we get 9 and a remainder of 21.
Write down 9 as next digit of the result. 
Result so far: 11920.8599
Subtracting 5589 from 5610 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

The quotient of the division is 11920.8599, and the remainder is 0.00021.