Subtraction with Regrouping: 370 − 63

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 370 − 63?

Answer

370 − 63 =
307

With regrouping: 1 borrow — from the tens

370 − 63 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.
6+10
3 7(was 7, now 6)0 (was 0, now 10)
−63
307

Column by column: 370 − 63

  • Ones: 0 is less than 3 — borrow 1 ten: tens 7 → 6; 10 − 3 = 7 — write 7.
  • Tens: after borrowing, 6; 6 − 6 = 0 — write 0.
  • Hundreds: nothing to subtract — write 3.

370 − 63 = 307

Second check: 370 − 307 = 63

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See Also

FAQ

What is 370 − 63?

370 − 63 = 307

How do you check that 370 − 63 = 307?

Add the difference and the subtrahend: 307 + 63 = 370. Getting the minuend back means the difference is right.

How many times do you borrow in 370 − 63?

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