Subtraction with Regrouping: 630 − 203

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 630 − 203?

Answer

630 − 203 =
427

With regrouping: 1 borrow — from the tens

630 − 203 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.
2+10
6 3(was 3, now 2)0 (was 0, now 10)
−203
427

Column by column: 630 − 203

  • Ones: 0 is less than 3 — borrow 1 ten: tens 3 → 2; 10 − 3 = 7 — write 7.
  • Tens: after borrowing, 2; 2 − 0 = 2 — write 2.
  • Hundreds: 6 − 2 = 4 — write 4.

630 − 203 = 427

Second check: 630 − 427 = 203

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Column subtractions of 203

ExampleDifference
494 − 203291
500 − 203297
510 − 203307
528 − 203325
551 − 203348
557 − 203354
579 − 203376
592 − 203389
600 − 203397
605 − 203402
630 − 203427
656 − 203453
671 − 203468
688 − 203485
700 − 203497
722 − 203519
739 − 203536
767 − 203564
781 − 203578
800 − 203597

FAQ

What is 630 − 203?

630 − 203 = 427

How do you check that 630 − 203 = 427?

Add the difference and the subtrahend: 427 + 203 = 630. Getting the minuend back means the difference is right.

How many times do you borrow in 630 − 203?

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

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