Subtraction with Regrouping: 455 − 187

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 455 − 187?

Answer

455 − 187 =
268

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

455 − 187 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.
314+10
4(was 4, now 3)5(was 5, now 14)5 (was 5, now 15)
−187
268

Column by column: 455 − 187

  • Ones: 5 is less than 7 — borrow 1 ten: tens 5 → 4; 15 − 7 = 8 — write 8.
  • Tens: after borrowing, 4; 4 is less than 8 — borrow 1 hundred: hundreds 4 → 3; 14 − 8 = 6 — write 6.
  • Hundreds: after borrowing, 3; 3 − 1 = 2 — write 2.

455 − 187 = 268

Second check: 455 − 268 = 187

Similar examples to practise

See Also

FAQ

What is 455 − 187?

455 − 187 = 268

How do you check that 455 − 187 = 268?

Add the difference and the subtrahend: 268 + 187 = 455. Getting the minuend back means the difference is right.

How many times do you borrow in 455 − 187?

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