Subtraction with Regrouping: 500 − 203

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 500 − 203?

Answer

500 − 203 =
297

With regrouping across a zero: 2 borrows — there are no tens to borrow from, so 1 hundred becomes 10 tens, and 1 ten goes to the ones

500 − 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.
49+10
5(was 5, now 4)0(was 0, now 9)0 (was 0, now 10)
−203
297

Column by column: 500 − 203

  • Ones: 0 is less than 3 — borrow 1 hundred across the zero: hundreds 5 → 4, tens 0 → 9; 10 − 3 = 7 — write 7.
  • Tens: after borrowing, 9; 9 − 0 = 9 — write 9.
  • Hundreds: after borrowing, 4; 4 − 2 = 2 — write 2.

500 − 203 = 297

Second check: 500 − 297 = 203

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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 500 − 203?

500 − 203 = 297

How do you check that 500 − 203 = 297?

Add the difference and the subtrahend: 297 + 203 = 500. Getting the minuend back means the difference is right.

How many times do you borrow in 500 − 203?

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

Why does 0 become 9 when borrowing in 500 − 203?

The zero has nothing to lend, so it first borrows 1 from its left neighbour and becomes 10; then it lends 1 to the column on its right and keeps 9.

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