75035109 ÷ 870 
Let's see how many times 870 fits into 75035109.

Going ahead to step 1:
870 goes into 7 0 times with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 870

On to step 2:
870 can be fit into 75 0 times, resulting in a remainder of 75.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 75 after subtracting 0 from 75.
Bring next digit (0) of the dividend behind the 75 and repeat the process: 750 / 870

Step 3:
When dividing 750 by 870, we get 0 with a remainder of 750.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 750 to get 750.
Include the next digit (3) from the dividend after 750, then repeat: 7503 / 870

Going ahead to step 4:
The number 870 fits into 7503 8 times, leaving a remainder of 543.
The next digit of our result is 8. 
Result so far: 8.0
Subtracting 6960 from 7503 leaves us with 543.
Grab the next digit (5) from the dividend, add it to 543, then carry on: 5435 / 870

Moving on to step 5:
5435 divided by 870 is 6 with a remainder of 215.
Use 6 as the next digit of our solution. 
Result so far: 86.0
If we take 5220 away from 5435, we end up with 215.
Bring next digit (1) of the dividend behind the 215 and repeat the process: 2151 / 870

Moving on to step 6:
870 can be fit into 2151 2 times, resulting in a remainder of 411.
Put 2 as the next digit of the answer. 
Result so far: 862.0
Subtracting 1740 from 2151 leaves us with 411.
Bring next digit (0) of the dividend behind the 411 and repeat the process: 4110 / 870

Moving on to step 7:
870 can be fit into 4110 4 times, resulting in a remainder of 630.
Write down 4 as next digit of the result. 
Result so far: 8624.0
If we take 3480 away from 4110, we end up with 630.
Bring next digit (9) of the dividend behind the 630 and repeat the process: 6309 / 870

Moving on to step 8:
6309 divided by 870 is 7 with a remainder of 219.
Put 7 as the next digit of the answer. 
Result so far: 86247.0
The remainder is 219 after subtracting 6090 from 6309.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Going ahead to step 9:
870 goes into 2190 2 times with a remainder of 450.
Use 2 as the next digit of our solution. 
Result so far: 86247.2
The remainder is 450 after subtracting 1740 from 2190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4500, and continue the process.

Let's proceed to step 10:
4500 divided by 870 is 5 with a remainder of 150.
The number 5 becomes the next digit in our result. 
Result so far: 86247.25
The remainder is 150 after subtracting 4350 from 4500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Moving on to step 11:
When dividing 1500 by 870, we get 1 with a remainder of 630.
The next digit of our result is 1. 
Result so far: 86247.251
If we take 870 away from 1500, we end up with 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6300, and continue the process.

Going ahead to step 12:
When dividing 6300 by 870, we get 7 with a remainder of 210.
The next digit of our result is 7. 
Result so far: 86247.2517
The remainder is 210 after subtracting 6090 from 6300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

On to step 13:
If we divide 2100 by 870, we get 2 and a remainder of 360.
Use 2 as the next digit of our solution. 
Result so far: 86247.25172
Subtract 1740 from 2100 to get 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Going ahead to step 14:
870 can be fit into 3600 4 times, resulting in a remainder of 120.
Write down 4 as next digit of the result. 
Result so far: 86247.251724
The remainder is 120 after subtracting 3480 from 3600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Going ahead to step 15:
870 can be fit into 1200 1 times, resulting in a remainder of 330.
Record the quotient 1 as the next digit in the result. 
Result so far: 86247.2517241
If we take 870 away from 1200, we end up with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

On to step 16:
The number 870 fits into 3300 3 times, leaving a remainder of 690.
Write down 3 as next digit of the result. 
Result so far: 86247.25172413
Subtracting 2610 from 3300 leaves us with 690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6900, and continue the process.

The final outcome is 86247.25172413, with a leftover of 6.9e-07.