Subtraction with Regrouping: 2,000 − 12

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 2,000 − 12?

Answer

2,000 − 12 =
1,988

With regrouping across a zero: 3 borrows — there are no hundreds or tens to borrow from, so 1 thousand becomes 10 hundreds, and 1 ten goes to the ones

2,000 − 12 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
199+10
2(was 2, now 1)0(was 0, now 9)0(was 0, now 9)0 (was 0, now 10)
−12
1988

Column by column: 2,000 − 12

  • Ones: 0 is less than 2 — borrow 1 thousand across the zero: thousands 2 → 1, hundreds 0 → 9, tens 0 → 9; 10 − 2 = 8 — write 8.
  • Tens: after borrowing, 9; 9 − 1 = 8 — write 8.
  • Hundreds: after borrowing, 9; nothing to subtract — write 9.
  • Thousands: after borrowing, 1; nothing to subtract — write 1.

2,000 − 12 = 1,988

Second check: 2,000 − 1,988 = 12

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Recalculate with different values ↑

Column subtractions of 12

ExampleDifference
300 − 12288
319 − 12307
360 − 12348
388 − 12376
400 − 12388
414 − 12402
465 − 12453
497 − 12485
500 − 12488
548 − 12536
590 − 12578
600 − 12588
659 − 12647
700 − 12688
800 − 12788
900 − 12888
1,000 − 12988
2,000 − 121,988
5,000 − 124,988
10,000 − 129,988

FAQ

What is 2,000 − 12?

2,000 − 12 = 1,988

How do you check that 2,000 − 12 = 1,988?

Add the difference and the subtrahend: 1,988 + 12 = 2,000. Getting the minuend back means the difference is right.

How many times do you borrow in 2,000 − 12?

3 borrows: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.

Why does 0 become 9 when borrowing in 2,000 − 12?

The zero has nothing to lend, so it first borrows 1 from its left neighbour and becomes 10; then it lends 1 to the column on its right and keeps 9.

See Also