Subtraction with Regrouping: 156 − 67

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 156 − 67?

Answer

156 − 67 =
89

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

156 − 67 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.
014+10
1(was 1, now 0)5(was 5, now 14)6 (was 6, now 16)
−67
89

Column by column: 156 − 67

  • Ones: 6 is less than 7 — borrow 1 ten: tens 5 → 4; 16 − 7 = 9 — write 9.
  • Tens: after borrowing, 4; 4 is less than 6 — borrow 1 hundred: hundreds 1 → 0; 14 − 6 = 8 — write 8.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

156 − 67 = 89

Second check: 156 − 89 = 67

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FAQ

What is 156 − 67?

156 − 67 = 89

How do you check that 156 − 67 = 89?

Add the difference and the subtrahend: 89 + 67 = 156. Getting the minuend back means the difference is right.

How many times do you borrow in 156 − 67?

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