Subtraction with Regrouping: 625 − 47

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 625 − 47?

Answer

625 − 47 =
578

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

625 − 47 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.
511+10
6(was 6, now 5)2(was 2, now 11)5 (was 5, now 15)
−47
578

Column by column: 625 − 47

  • Ones: 5 is less than 7 — borrow 1 ten: tens 2 → 1; 15 − 7 = 8 — write 8.
  • Tens: after borrowing, 1; 1 is less than 4 — borrow 1 hundred: hundreds 6 → 5; 11 − 4 = 7 — write 7.
  • Hundreds: after borrowing, 5; nothing to subtract — write 5.

625 − 47 = 578

Second check: 625 − 578 = 47

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See Also

FAQ

What is 625 − 47?

625 − 47 = 578

How do you check that 625 − 47 = 578?

Add the difference and the subtrahend: 578 + 47 = 625. Getting the minuend back means the difference is right.

How many times do you borrow in 625 − 47?

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