Subtraction with Regrouping: 871 − 307

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 871 − 307?

Answer

871 − 307 =
564

With regrouping: 1 borrow — from the tens

871 − 307 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.
6+10
8 7(was 7, now 6)1 (was 1, now 11)
−307
564

Column by column: 871 − 307

  • Ones: 1 is less than 7 — borrow 1 ten: tens 7 → 6; 11 − 7 = 4 — write 4.
  • Tens: after borrowing, 6; 6 − 0 = 6 — write 6.
  • Hundreds: 8 − 3 = 5 — write 5.

871 − 307 = 564

Second check: 871 − 564 = 307

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Recalculate with different values ↑

Column subtractions of 307

ExampleDifference
614 − 307307
632 − 307325
655 − 307348
661 − 307354
683 − 307376
696 − 307389
709 − 307402
734 − 307427
760 − 307453
775 − 307468
792 − 307485
826 − 307519
843 − 307536
871 − 307564
885 − 307578
909 − 307602
954 − 307647
990 − 307683

FAQ

What is 871 − 307?

871 − 307 = 564

How do you check that 871 − 307 = 564?

Add the difference and the subtrahend: 564 + 307 = 871. Getting the minuend back means the difference is right.

How many times do you borrow in 871 − 307?

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