Subtraction with Regrouping: 632 − 54

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 632 − 54?

Answer

632 − 54 =
578

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

632 − 54 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.
512+10
6(was 6, now 5)3(was 3, now 12)2 (was 2, now 12)
−54
578

Column by column: 632 − 54

  • Ones: 2 is less than 4 — borrow 1 ten: tens 3 → 2; 12 − 4 = 8 — write 8.
  • Tens: after borrowing, 2; 2 is less than 5 — borrow 1 hundred: hundreds 6 → 5; 12 − 5 = 7 — write 7.
  • Hundreds: after borrowing, 5; nothing to subtract — write 5.

632 − 54 = 578

Second check: 632 − 578 = 54

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See Also

FAQ

What is 632 − 54?

632 − 54 = 578

How do you check that 632 − 54 = 578?

Add the difference and the subtrahend: 578 + 54 = 632. Getting the minuend back means the difference is right.

How many times do you borrow in 632 − 54?

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