Subtraction with Regrouping: 1,261 − 578

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 1,261 − 578?

Answer

1,261 − 578 =
683

With regrouping: 3 borrows — from the tens, the hundreds and the thousands

1,261 − 578 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.
01115+10
1(was 1, now 0)2(was 2, now 11)6(was 6, now 15)1 (was 1, now 11)
−578
683

Column by column: 1,261 − 578

  • Ones: 1 is less than 8 — borrow 1 ten: tens 6 → 5; 11 − 8 = 3 — write 3.
  • Tens: after borrowing, 5; 5 is less than 7 — borrow 1 hundred: hundreds 2 → 1; 15 − 7 = 8 — write 8.
  • Hundreds: after borrowing, 1; 1 is less than 5 — borrow 1 thousand: thousands 1 → 0; 11 − 5 = 6 — write 6.
  • Thousands: after borrowing, 0 — a leading zero is not written.

1,261 − 578 = 683

Second check: 1,261 − 683 = 578

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Recalculate with different values ↑

Column subtractions of 578

ExampleDifference
1,256 − 578678
1,257 − 578679
1,258 − 578680
1,259 − 578681
1,260 − 578682
1,261 − 578683
1,262 − 578684
1,263 − 578685
1,264 − 578686
1,265 − 578687
1,266 − 578688

FAQ

What is 1,261 − 578?

1,261 − 578 = 683

How do you check that 1,261 − 578 = 683?

Add the difference and the subtrahend: 683 + 578 = 1,261. Getting the minuend back means the difference is right.

How many times do you borrow in 1,261 − 578?

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

See Also