Column Subtraction: 497 − 172

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 497 − 172?

Answer

497 − 172 =
325

No regrouping: each column is subtracted on its own

497 − 172 in a column. No borrowing.
4 9 7
−172
325

Column by column: 497 − 172

  • Ones: 7 − 2 = 5 — write 5.
  • Tens: 9 − 7 = 2 — write 2.
  • Hundreds: 4 − 1 = 3 — write 3.

497 − 172 = 325

Second check: 497 − 325 = 172

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FAQ

What is 497 − 172?

497 − 172 = 325

How do you check that 497 − 172 = 325?

Add the difference and the subtrahend: 325 + 172 = 497. Getting the minuend back means the difference is right.

How many times do you borrow in 497 − 172?

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