Subtraction with Regrouping: 168 − 83

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 168 − 83?

Answer

168 − 83 =
85

With regrouping: 1 borrow — from the hundreds

168 − 83 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.
0+10
1(was 1, now 0)6 (was 6, now 16)8
−83
85

Column by column: 168 − 83

  • Ones: 8 − 3 = 5 — write 5.
  • Tens: 6 is less than 8 — borrow 1 hundred: hundreds 1 → 0; 16 − 8 = 8 — write 8.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

168 − 83 = 85

Second check: 168 − 85 = 83

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See Also

FAQ

What is 168 − 83?

168 − 83 = 85

How do you check that 168 − 83 = 85?

Add the difference and the subtrahend: 85 + 83 = 168. Getting the minuend back means the difference is right.

How many times do you borrow in 168 − 83?

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