We're dividing 70299188 by 407 
Let's see how many times 407 fits into 70299188.

Step 1:
The number 407 fits into 7 0 times, leaving a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Include the next digit (0) from the dividend after 7, then repeat: 70 / 407

On to step 2:
407 goes into 70 0 times with a remainder of 70.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 70 leaves us with 70.
Fetch the next digit (2) from the dividend, attach it to 70 and continue: 702 / 407

Let's proceed to step 3:
407 can be fit into 702 1 times, resulting in a remainder of 295.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 295 after subtracting 407 from 702.
Bring next digit (9) of the dividend behind the 295 and repeat the process: 2959 / 407

Step 4:
407 goes into 2959 7 times with a remainder of 110.
Put 7 as the next digit of the answer. 
Result so far: 17.0
The remainder is 110 after subtracting 2849 from 2959.
Fetch the next digit (9) from the dividend, attach it to 110 and continue: 1109 / 407

Let's proceed to step 5:
When dividing 1109 by 407, we get 2 with a remainder of 295.
Put 2 as the next digit of the answer. 
Result so far: 172.0
If we take 814 away from 1109, we end up with 295.
Bring next digit (1) of the dividend behind the 295 and repeat the process: 2951 / 407

On to step 6:
When dividing 2951 by 407, we get 7 with a remainder of 102.
Record the quotient 7 as the next digit in the result. 
Result so far: 1727.0
Subtracting 2849 from 2951 leaves us with 102.
Append the next digit (8) from the dividend to 102 and continue with: 1028 / 407

Going ahead to step 7:
407 can be fit into 1028 2 times, resulting in a remainder of 214.
Record the quotient 2 as the next digit in the result. 
Result so far: 17272.0
The remainder is 214 after subtracting 814 from 1028.
Fetch the next digit (8) from the dividend, attach it to 214 and continue: 2148 / 407

Moving on to step 8:
When dividing 2148 by 407, we get 5 with a remainder of 113.
Use 5 as the next digit of our solution. 
Result so far: 172725.0
The remainder is 113 after subtracting 2035 from 2148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

Step 9:
The number 407 fits into 1130 2 times, leaving a remainder of 316.
Put 2 as the next digit of the answer. 
Result so far: 172725.2
Deduct 814 from 1130 and we're left with 316.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

Advancing to step 10:
407 can be fit into 3160 7 times, resulting in a remainder of 311.
Put 7 as the next digit of the answer. 
Result so far: 172725.27
If we take 2849 away from 3160, we end up with 311.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3110, and continue the process.

Moving on to step 11:
3110 divided by 407 is 7 with a remainder of 261.
Put 7 as the next digit of the answer. 
Result so far: 172725.277
Deduct 2849 from 3110 and we're left with 261.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2610, and continue the process.

The final outcome is 172725.277, with a leftover of 0.0261.