Subtraction with Regrouping: 388 − 149

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 388 − 149?

Answer

388 − 149 =
239

With regrouping: 1 borrow — from the tens

388 − 149 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.
7+10
3 8(was 8, now 7)8 (was 8, now 18)
−149
239

Column by column: 388 − 149

  • Ones: 8 is less than 9 — borrow 1 ten: tens 8 → 7; 18 − 9 = 9 — write 9.
  • Tens: after borrowing, 7; 7 − 4 = 3 — write 3.
  • Hundreds: 3 − 1 = 2 — write 2.

388 − 149 = 239

Second check: 388 − 239 = 149

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Column subtractions of 149

ExampleDifference
298 − 149149
321 − 149172
336 − 149187
352 − 149203
363 − 149214
388 − 149239
400 − 149251
405 − 149256
417 − 149268
440 − 149291
456 − 149307
474 − 149325
497 − 149348
500 − 149351
503 − 149354
525 − 149376
538 − 149389
551 − 149402
576 − 149427
600 − 149451

FAQ

What is 388 − 149?

388 − 149 = 239

How do you check that 388 − 149 = 239?

Add the difference and the subtrahend: 239 + 149 = 388. Getting the minuend back means the difference is right.

How many times do you borrow in 388 − 149?

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