Subtraction with Regrouping: 1,031 − 348

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 1,031 − 348?

Answer

1,031 − 348 =
683

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

1,031 − 348 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.
0912+10
1(was 1, now 0)0(was 0, now 9)3(was 3, now 12)1 (was 1, now 11)
−348
683

Column by column: 1,031 − 348

  • Ones: 1 is less than 8 — borrow 1 ten: tens 3 → 2; 11 − 8 = 3 — write 3.
  • Tens: after borrowing, 2; 2 is less than 4 — borrow 1 thousand across the zero: thousands 1 → 0, hundreds 0 → 9; 12 − 4 = 8 — write 8.
  • Hundreds: after borrowing, 9; 9 − 3 = 6 — write 6.
  • Thousands: after borrowing, 0 — a leading zero is not written.

1,031 − 348 = 683

Second check: 1,031 − 683 = 348

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Recalculate with different values ↑

Column subtractions of 348

ExampleDifference
724 − 348376
737 − 348389
750 − 348402
775 − 348427
800 − 348452
801 − 348453
816 − 348468
833 − 348485
867 − 348519
884 − 348536
900 − 348552
912 − 348564
926 − 348578
950 − 348602
995 − 348647
1,000 − 348652
1,031 − 348683
2,000 − 3481,652
5,000 − 3484,652
10,000 − 3489,652

FAQ

What is 1,031 − 348?

1,031 − 348 = 683

How do you check that 1,031 − 348 = 683?

Add the difference and the subtrahend: 683 + 348 = 1,031. Getting the minuend back means the difference is right.

How many times do you borrow in 1,031 − 348?

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 1,031 − 348?

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