Subtraction with Regrouping: 816 − 348

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 816 − 348?

Answer

816 − 348 =
468

With regrouping: 2 borrows — from the tens and the hundreds

816 − 348 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
710+10
8(was 8, now 7)1(was 1, now 10)6 (was 6, now 16)
−348
468

Column by column: 816 − 348

  • Ones: 6 is less than 8 — borrow 1 ten: tens 1 → 0; 16 − 8 = 8 — write 8.
  • Tens: after borrowing, 0; 0 is less than 4 — borrow 1 hundred: hundreds 8 → 7; 10 − 4 = 6 — write 6.
  • Hundreds: after borrowing, 7; 7 − 3 = 4 — write 4.

816 − 348 = 468

Second check: 816 − 468 = 348

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See Also

FAQ

What is 816 − 348?

816 − 348 = 468

How do you check that 816 − 348 = 468?

Add the difference and the subtrahend: 468 + 348 = 816. Getting the minuend back means the difference is right.

How many times do you borrow in 816 − 348?

2 borrows: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.