Subtraction with Regrouping: 511 − 26

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 511 − 26?

Answer

511 − 26 =
485

With regrouping: 2 borrows — from the tens and the hundreds

511 − 26 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.
410+10
5(was 5, now 4)1(was 1, now 10)1 (was 1, now 11)
−26
485

Column by column: 511 − 26

  • Ones: 1 is less than 6 — borrow 1 ten: tens 1 → 0; 11 − 6 = 5 — write 5.
  • Tens: after borrowing, 0; 0 is less than 2 — borrow 1 hundred: hundreds 5 → 4; 10 − 2 = 8 — write 8.
  • Hundreds: after borrowing, 4; nothing to subtract — write 4.

511 − 26 = 485

Second check: 511 − 485 = 26

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See Also

FAQ

What is 511 − 26?

511 − 26 = 485

How do you check that 511 − 26 = 485?

Add the difference and the subtrahend: 485 + 26 = 511. Getting the minuend back means the difference is right.

How many times do you borrow in 511 − 26?

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