310213 divided by 87 
We want to divide 310213 by 87.

Moving on to step 1:
The number 87 fits into 3 0 times, leaving a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Grab the next digit (1) from the dividend, add it to 3, then carry on: 31 / 87

Moving on to step 2:
When dividing 31 by 87, we get 0 with a remainder of 31.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 31 and we're left with 31.
Append the next digit (0) from the dividend to 31 and continue with: 310 / 87

Step 3:
If we divide 310 by 87, we get 3 and a remainder of 49.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtract 261 from 310 to get 49.
Take the next digit (2) from the dividend and append it to 49, then repeat: 492 / 87

Advancing to step 4:
When dividing 492 by 87, we get 5 with a remainder of 57.
The number 5 becomes the next digit in our result. 
Result so far: 35.0
The remainder is 57 after subtracting 435 from 492.
Take the next digit (1) from the dividend and append it to 57, then repeat: 571 / 87

On to step 5:
When dividing 571 by 87, we get 6 with a remainder of 49.
The next digit of our result is 6. 
Result so far: 356.0
If we take 522 away from 571, we end up with 49.
Fetch the next digit (3) from the dividend, attach it to 49 and continue: 493 / 87

Advancing to step 6:
493 divided by 87 is 5 with a remainder of 58.
Record the quotient 5 as the next digit in the result. 
Result so far: 3565.0
Subtracting 435 from 493 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Advancing to step 7:
The number 87 fits into 580 6 times, leaving a remainder of 58.
Use 6 as the next digit of our solution. 
Result so far: 3565.6
Subtracting 522 from 580 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Advancing to step 8:
580 divided by 87 is 6 with a remainder of 58.
Put 6 as the next digit of the answer. 
Result so far: 3565.66
If we take 522 away from 580, we end up with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

The final outcome is 3565.66, with a leftover of 0.058.