Subtraction with Regrouping: 308 − 136

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 308 − 136?

Answer

308 − 136 =
172

With regrouping: 1 borrow — from the hundreds

308 − 136 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
3(was 3, now 2)0 (was 0, now 10)8
−136
172

Column by column: 308 − 136

  • Ones: 8 − 6 = 2 — write 2.
  • Tens: 0 is less than 3 — borrow 1 hundred: hundreds 3 → 2; 10 − 3 = 7 — write 7.
  • Hundreds: after borrowing, 2; 2 − 1 = 1 — write 1.

308 − 136 = 172

Second check: 308 − 172 = 136

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Recalculate with different values ↑

Column subtractions of 136

ExampleDifference
272 − 136136
285 − 136149
308 − 136172
323 − 136187
339 − 136203
350 − 136214
375 − 136239
392 − 136256
404 − 136268
427 − 136291
443 − 136307
461 − 136325
484 − 136348
490 − 136354
512 − 136376
525 − 136389
538 − 136402
563 − 136427
589 − 136453
604 − 136468

FAQ

What is 308 − 136?

308 − 136 = 172

How do you check that 308 − 136 = 172?

Add the difference and the subtrahend: 172 + 136 = 308. Getting the minuend back means the difference is right.

How many times do you borrow in 308 − 136?

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