Column Subtraction: 855 − 402

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 855 − 402?

Answer

855 − 402 =
453

No regrouping: each column is subtracted on its own

855 − 402 in a column. No borrowing.
8 5 5
−402
453

Column by column: 855 − 402

  • Ones: 5 − 2 = 3 — write 3.
  • Tens: 5 − 0 = 5 — write 5.
  • Hundreds: 8 − 4 = 4 — write 4.

855 − 402 = 453

Second check: 855 − 453 = 402

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FAQ

What is 855 − 402?

855 − 402 = 453

How do you check that 855 − 402 = 453?

Add the difference and the subtrahend: 453 + 402 = 855. Getting the minuend back means the difference is right.

How many times do you borrow in 855 − 402?

Not once: every top digit is at least as large as the digit below it.