Subtraction with Regrouping: 456 − 149

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 456 − 149?

Answer

456 − 149 =
307

With regrouping: 1 borrow — from the tens

456 − 149 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
4 5(was 5, now 4)6 (was 6, now 16)
−149
307

Column by column: 456 − 149

  • Ones: 6 is less than 9 — borrow 1 ten: tens 5 → 4; 16 − 9 = 7 — write 7.
  • Tens: after borrowing, 4; 4 − 4 = 0 — write 0.
  • Hundreds: 4 − 1 = 3 — write 3.

456 − 149 = 307

Second check: 456 − 307 = 149

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See Also

FAQ

What is 456 − 149?

456 − 149 = 307

How do you check that 456 − 149 = 307?

Add the difference and the subtrahend: 307 + 149 = 456. Getting the minuend back means the difference is right.

How many times do you borrow in 456 − 149?

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