Subtraction with Regrouping: 73,891 − 3,579

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 73,891 − 3,579?

Answer

73,891 − 3,579 =
70,312

With regrouping: 1 borrow — from the tens

73,891 − 3,579 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.
8+10
7 3 8 9(was 9, now 8)1 (was 1, now 11)
−3579
70312

Column by column: 73,891 − 3,579

  • Ones: 1 is less than 9 — borrow 1 ten: tens 9 → 8; 11 − 9 = 2 — write 2.
  • Tens: after borrowing, 8; 8 − 7 = 1 — write 1.
  • Hundreds: 8 − 5 = 3 — write 3.
  • Thousands: 3 − 3 = 0 — write 0.
  • Ten thousands: nothing to subtract — write 7.

73,891 − 3,579 = 70,312

Second check: 73,891 − 70,312 = 3,579

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Column subtractions of 3,579

ExampleDifference
73,886 − 3,57970,307
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73,888 − 3,57970,309
73,889 − 3,57970,310
73,890 − 3,57970,311
73,891 − 3,57970,312
73,892 − 3,57970,313
73,893 − 3,57970,314
73,894 − 3,57970,315
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73,896 − 3,57970,317

FAQ

What is 73,891 − 3,579?

73,891 − 3,579 = 70,312

How do you check that 73,891 − 3,579 = 70,312?

Add the difference and the subtrahend: 70,312 + 3,579 = 73,891. Getting the minuend back means the difference is right.

How many times do you borrow in 73,891 − 3,579?

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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