Subtraction with Regrouping: 428,523 − 23,456

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 428,523 − 23,456?

Answer

428,523 − 23,456 =
405,067

With regrouping: 2 borrows — from the tens and the hundreds

428,523 − 23,456 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.
411+10
4 2 8 5(was 5, now 4)2(was 2, now 11)3 (was 3, now 13)
−23456
405067

Column by column: 428,523 − 23,456

  • Ones: 3 is less than 6 — borrow 1 ten: tens 2 → 1; 13 − 6 = 7 — write 7.
  • Tens: after borrowing, 1; 1 is less than 5 — borrow 1 hundred: hundreds 5 → 4; 11 − 5 = 6 — write 6.
  • Hundreds: after borrowing, 4; 4 − 4 = 0 — write 0.
  • Thousands: 8 − 3 = 5 — write 5.
  • Ten thousands: 2 − 2 = 0 — write 0.
  • Hundred thousands: nothing to subtract — write 4.

428,523 − 23,456 = 405,067

Second check: 428,523 − 405,067 = 23,456

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Recalculate with different values ↑

Column subtractions of 23,456

ExampleDifference
428,518 − 23,456405,062
428,519 − 23,456405,063
428,520 − 23,456405,064
428,521 − 23,456405,065
428,522 − 23,456405,066
428,523 − 23,456405,067
428,524 − 23,456405,068
428,525 − 23,456405,069
428,526 − 23,456405,070
428,527 − 23,456405,071
428,528 − 23,456405,072

FAQ

What is 428,523 − 23,456?

428,523 − 23,456 = 405,067

How do you check that 428,523 − 23,456 = 405,067?

Add the difference and the subtrahend: 405,067 + 23,456 = 428,523. Getting the minuend back means the difference is right.

How many times do you borrow in 428,523 − 23,456?

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

See Also