Subtraction with Regrouping: 430 − 105

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 430 − 105?

Answer

430 − 105 =
325

With regrouping: 1 borrow — from the tens

430 − 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.
2+10
4 3(was 3, now 2)0 (was 0, now 10)
−105
325

Column by column: 430 − 105

  • Ones: 0 is less than 5 — borrow 1 ten: tens 3 → 2; 10 − 5 = 5 — write 5.
  • Tens: after borrowing, 2; 2 − 0 = 2 — write 2.
  • Hundreds: 4 − 1 = 3 — write 3.

430 − 105 = 325

Second check: 430 − 325 = 105

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277 − 105172
292 − 105187
308 − 105203
319 − 105214
344 − 105239
361 − 105256
373 − 105268
396 − 105291
400 − 105295
412 − 105307
430 − 105325
453 − 105348
459 − 105354
481 − 105376
494 − 105389
500 − 105395
507 − 105402
532 − 105427
558 − 105453
573 − 105468

FAQ

What is 430 − 105?

430 − 105 = 325

How do you check that 430 − 105 = 325?

Add the difference and the subtrahend: 325 + 105 = 430. Getting the minuend back means the difference is right.

How many times do you borrow in 430 − 105?

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