Column Subtraction: 277 − 105

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 277 − 105?

Answer

277 − 105 =
172

No regrouping: each column is subtracted on its own

277 − 105 in a column. No borrowing.
2 7 7
−105
172

Column by column: 277 − 105

  • Ones: 7 − 5 = 2 — write 2.
  • Tens: 7 − 0 = 7 — write 7.
  • Hundreds: 2 − 1 = 1 — write 1.

277 − 105 = 172

Second check: 277 − 172 = 105

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FAQ

What is 277 − 105?

277 − 105 = 172

How do you check that 277 − 105 = 172?

Add the difference and the subtrahend: 172 + 105 = 277. Getting the minuend back means the difference is right.

How many times do you borrow in 277 − 105?

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