Let's divide 60974421 by 420
Our goal is to divide 60974421 by 420.

On to step 1:
If we divide 6 by 420, we get 0 and a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Grab the next digit (0) from the dividend, add it to 6, then carry on: 60 / 420

Advancing to step 2:
If we divide 60 by 420, we get 0 and a remainder of 60.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 60 to get 60.
Grab the next digit (9) from the dividend, add it to 60, then carry on: 609 / 420

Moving on to step 3:
609 divided by 420 is 1 with a remainder of 189.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 420 from 609 and we're left with 189.
Bring next digit (7) of the dividend behind the 189 and repeat the process: 1897 / 420

Moving on to step 4:
If we divide 1897 by 420, we get 4 and a remainder of 217.
The next digit of our result is 4. 
Result so far: 14.0
If we take 1680 away from 1897, we end up with 217.
Take the next digit (4) from the dividend and append it to 217, then repeat: 2174 / 420

Going ahead to step 5:
2174 divided by 420 is 5 with a remainder of 74.
The next digit of our result is 5. 
Result so far: 145.0
If we subtract 2100 from 2174, we get 74.
Append the next digit (4) from the dividend to 74 and continue with: 744 / 420

Going ahead to step 6:
420 goes into 744 1 times with a remainder of 324.
Put 1 as the next digit of the answer. 
Result so far: 1451.0
Subtract 420 from 744 to get 324.
Include the next digit (2) from the dividend after 324, then repeat: 3242 / 420

Advancing to step 7:
When dividing 3242 by 420, we get 7 with a remainder of 302.
The next digit of our result is 7. 
Result so far: 14517.0
Deduct 2940 from 3242 and we're left with 302.
Bring next digit (1) of the dividend behind the 302 and repeat the process: 3021 / 420

On to step 8:
If we divide 3021 by 420, we get 7 and a remainder of 81.
Put 7 as the next digit of the answer. 
Result so far: 145177.0
If we subtract 2940 from 3021, we get 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Advancing to step 9:
420 can be fit into 810 1 times, resulting in a remainder of 390.
Use 1 as the next digit of our solution. 
Result so far: 145177.1
If we take 420 away from 810, we end up with 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

Moving on to step 10:
When dividing 3900 by 420, we get 9 with a remainder of 120.
Record the quotient 9 as the next digit in the result. 
Result so far: 145177.19
Subtract 3780 from 3900 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Moving on to step 11:
1200 divided by 420 is 2 with a remainder of 360.
The next digit of our result is 2. 
Result so far: 145177.192
Deduct 840 from 1200 and we're left with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Let's proceed to step 12:
420 can be fit into 3600 8 times, resulting in a remainder of 240.
The next digit of our result is 8. 
Result so far: 145177.1928
Subtract 3360 from 3600 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 13:
420 can be fit into 2400 5 times, resulting in a remainder of 300.
Record the quotient 5 as the next digit in the result. 
Result so far: 145177.19285
If we take 2100 away from 2400, we end up with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Advancing to step 14:
The number 420 fits into 3000 7 times, leaving a remainder of 60.
Record the quotient 7 as the next digit in the result. 
Result so far: 145177.192857
Deduct 2940 from 3000 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 15:
When dividing 600 by 420, we get 1 with a remainder of 180.
Record the quotient 1 as the next digit in the result. 
Result so far: 145177.1928571
Deduct 420 from 600 and we're left with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

On to step 16:
If we divide 1800 by 420, we get 4 and a remainder of 120.
Put 4 as the next digit of the answer. 
Result so far: 145177.19285714
If we subtract 1680 from 1800, we get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

The quotient of the division is 145177.19285714, and the remainder is 1.2e-07.