Subtraction with Regrouping: 590 − 105

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 590 − 105?

Answer

590 − 105 =
485

With regrouping: 1 borrow — from the tens

590 − 105 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.
8+10
5 9(was 9, now 8)0 (was 0, now 10)
−105
485

Column by column: 590 − 105

  • Ones: 0 is less than 5 — borrow 1 ten: tens 9 → 8; 10 − 5 = 5 — write 5.
  • Tens: after borrowing, 8; 8 − 0 = 8 — write 8.
  • Hundreds: 5 − 1 = 4 — write 4.

590 − 105 = 485

Second check: 590 − 485 = 105

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See Also

FAQ

What is 590 − 105?

590 − 105 = 485

How do you check that 590 − 105 = 485?

Add the difference and the subtrahend: 485 + 105 = 590. Getting the minuend back means the difference is right.

How many times do you borrow in 590 − 105?

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