Subtraction with Regrouping: 510 − 203

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 510 − 203?

Answer

510 − 203 =
307

With regrouping: 1 borrow — from the tens

510 − 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.
0+10
5 1(was 1, now 0)0 (was 0, now 10)
−203
307

Column by column: 510 − 203

  • Ones: 0 is less than 3 — borrow 1 ten: tens 1 → 0; 10 − 3 = 7 — write 7.
  • Tens: after borrowing, 0; 0 − 0 = 0 — write 0.
  • Hundreds: 5 − 2 = 3 — write 3.

510 − 203 = 307

Second check: 510 − 307 = 203

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Recalculate with different values ↑

Column subtractions of 203

ExampleDifference
406 − 203203
417 − 203214
442 − 203239
459 − 203256
471 − 203268
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

FAQ

What is 510 − 203?

510 − 203 = 307

How do you check that 510 − 203 = 307?

Add the difference and the subtrahend: 307 + 203 = 510. Getting the minuend back means the difference is right.

How many times do you borrow in 510 − 203?

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

See Also