Subtraction with Regrouping: 68,545 − 23,456

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 68,545 − 23,456?

Answer

68,545 − 23,456 =
45,089

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

68,545 − 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.
413+10
6 8 5(was 5, now 4)4(was 4, now 13)5 (was 5, now 15)
−23456
45089

Column by column: 68,545 − 23,456

  • Ones: 5 is less than 6 — borrow 1 ten: tens 4 → 3; 15 − 6 = 9 — write 9.
  • Tens: after borrowing, 3; 3 is less than 5 — borrow 1 hundred: hundreds 5 → 4; 13 − 5 = 8 — write 8.
  • Hundreds: after borrowing, 4; 4 − 4 = 0 — write 0.
  • Thousands: 8 − 3 = 5 — write 5.
  • Ten thousands: 6 − 2 = 4 — write 4.

68,545 − 23,456 = 45,089

Second check: 68,545 − 45,089 = 23,456

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Column subtractions of 23,456

ExampleDifference
68,540 − 23,45645,084
68,541 − 23,45645,085
68,542 − 23,45645,086
68,543 − 23,45645,087
68,544 − 23,45645,088
68,545 − 23,45645,089
68,546 − 23,45645,090
68,547 − 23,45645,091
68,548 − 23,45645,092
68,549 − 23,45645,093
68,550 − 23,45645,094

FAQ

What is 68,545 − 23,456?

68,545 − 23,456 = 45,089

How do you check that 68,545 − 23,456 = 45,089?

Add the difference and the subtrahend: 45,089 + 23,456 = 68,545. Getting the minuend back means the difference is right.

How many times do you borrow in 68,545 − 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