Subtraction with Regrouping: 254 − 105

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 254 − 105?

Answer

254 − 105 =
149

With regrouping: 1 borrow — from the tens

254 − 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.
4+10
2 5(was 5, now 4)4 (was 4, now 14)
−105
149

Column by column: 254 − 105

  • Ones: 4 is less than 5 — borrow 1 ten: tens 5 → 4; 14 − 5 = 9 — write 9.
  • Tens: after borrowing, 4; 4 − 0 = 4 — write 4.
  • Hundreds: 2 − 1 = 1 — write 1.

254 − 105 = 149

Second check: 254 − 149 = 105

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Column subtractions of 105

ExampleDifference
210 − 105105
233 − 105128
241 − 105136
254 − 105149
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

FAQ

What is 254 − 105?

254 − 105 = 149

How do you check that 254 − 105 = 149?

Add the difference and the subtrahend: 149 + 105 = 254. Getting the minuend back means the difference is right.

How many times do you borrow in 254 − 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