Subtraction with Regrouping: 655 − 307

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 655 − 307?

Answer

655 − 307 =
348

With regrouping: 1 borrow — from the tens

655 − 307 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.
4+10
6 5(was 5, now 4)5 (was 5, now 15)
−307
348

Column by column: 655 − 307

  • Ones: 5 is less than 7 — borrow 1 ten: tens 5 → 4; 15 − 7 = 8 — write 8.
  • Tens: after borrowing, 4; 4 − 0 = 4 — write 4.
  • Hundreds: 6 − 3 = 3 — write 3.

655 − 307 = 348

Second check: 655 − 348 = 307

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See Also

FAQ

What is 655 − 307?

655 − 307 = 348

How do you check that 655 − 307 = 348?

Add the difference and the subtrahend: 348 + 307 = 655. Getting the minuend back means the difference is right.

How many times do you borrow in 655 − 307?

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