Subtraction with Regrouping: 685 − 149

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 685 − 149?

Answer

685 − 149 =
536

With regrouping: 1 borrow — from the tens

685 − 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
6 8(was 8, now 7)5 (was 5, now 15)
−149
536

Column by column: 685 − 149

  • Ones: 5 is less than 9 — borrow 1 ten: tens 8 → 7; 15 − 9 = 6 — write 6.
  • Tens: after borrowing, 7; 7 − 4 = 3 — write 3.
  • Hundreds: 6 − 1 = 5 — write 5.

685 − 149 = 536

Second check: 685 − 536 = 149

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Column subtractions of 149

ExampleDifference
456 − 149307
474 − 149325
497 − 149348
500 − 149351
503 − 149354
525 − 149376
538 − 149389
551 − 149402
576 − 149427
600 − 149451
602 − 149453
617 − 149468
634 − 149485
668 − 149519
685 − 149536
713 − 149564
727 − 149578
751 − 149602
796 − 149647
832 − 149683

FAQ

What is 685 − 149?

685 − 149 = 536

How do you check that 685 − 149 = 536?

Add the difference and the subtrahend: 536 + 149 = 685. Getting the minuend back means the difference is right.

How many times do you borrow in 685 − 149?

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

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