Column Subtraction: 378 − 71

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 378 − 71?

Answer

378 − 71 =
307

No regrouping: each column is subtracted on its own

378 − 71 in a column. No borrowing.
3 7 8
−71
307

Column by column: 378 − 71

  • Ones: 8 − 1 = 7 — write 7.
  • Tens: 7 − 7 = 0 — write 0.
  • Hundreds: nothing to subtract — write 3.

378 − 71 = 307

Second check: 378 − 307 = 71

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FAQ

What is 378 − 71?

378 − 71 = 307

How do you check that 378 − 71 = 307?

Add the difference and the subtrahend: 307 + 71 = 378. Getting the minuend back means the difference is right.

How many times do you borrow in 378 − 71?

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