Subtract Numbers: 181,257 - 1,271. Calculate the Difference and Learn How To Do the Subtraction, Column Method. Online Calculator

The ones digits line up in the first column from the right.

The tens digits line up in the next column to the left.

And so on...

7 - 1 = 6.
6 is the ones digit.
Write it down at the base of the ones column.

The borrowing is a two step process:

Subtract 1 from the top digit in the column of the hundreds: 2 - 1 = 1.
Cross out the top digit you've borrowed 1 from: 2.
Write the answer above that digit: 1.

When borrowing, 1 hundred = 10 tens.
Add 10 to the top digit in the column of the tens: 10 + 5 = ¹5.

After borrowing, the subtraction has become:
15 - 7 = 10 + 5 - 7 = 10 + 5 - 7 = 5 + (10 - 7) = 5 + 3 = 8.
8 is the tens digit.
Write it down at the base of the tens column.

Subtract 1 from the top digit in the column of the thousands: 1 - 1 = 0.
Cross out the top digit you've borrowed 1 from: 1.
Write the answer above that digit: 0.

When borrowing, 1 thousand = 10 hundreds.
Add 10 to the top digit in the column of the hundreds: 10 + 1 = ¹1.

After borrowing, the subtraction has become:
11 - 2 = 10 + 1 - 2 = 10 + 1 - 2 = 1 + (10 - 2) = 1 + 8 = 9.
9 is the hundreds digit.
Write it down at the base of the hundreds column.

Subtract 1 from the top digit in the column of the ten thousands: 8 - 1 = 7.
Cross out the top digit you've borrowed 1 from: 8.
Write the answer above that digit: 7.

When borrowing, 1 ten thousand = 10 thousands.
Add 10 to the top digit in the column of the thousands: 10 + 0 = ¹0.

After borrowing, the subtraction has become:
10 - 1 = 9.
9 is the thousands digit.
Write it down at the base of the thousands column.

There is a single digit in this column: 8 7.
7 is the ten thousands digit.
Write it down at the base of the ten thousands column.

There is a single digit in this column: 1.
1 is the hundred thousands digit.
Write it down at the base of the hundred thousands column.