Column Subtraction: 184 − 12

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 184 − 12?

Answer

184 − 12 =
172

No regrouping: each column is subtracted on its own

184 − 12 in a column. No borrowing.
1 8 4
−12
172

Column by column: 184 − 12

  • Ones: 4 − 2 = 2 — write 2.
  • Tens: 8 − 1 = 7 — write 7.
  • Hundreds: nothing to subtract — write 1.

184 − 12 = 172

Second check: 184 − 172 = 12

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FAQ

What is 184 − 12?

184 − 12 = 172

How do you check that 184 − 12 = 172?

Add the difference and the subtrahend: 172 + 12 = 184. Getting the minuend back means the difference is right.

How many times do you borrow in 184 − 12?

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