Subtraction with Regrouping: 70 − 12

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 70 − 12?

Answer

70 − 12 =
58

With regrouping: 1 borrow — from the tens

70 − 12 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.
6+10
7(was 7, now 6)0 (was 0, now 10)
−12
58

Column by column: 70 − 12

  • Ones: 0 is less than 2 — borrow 1 ten: tens 7 → 6; 10 − 2 = 8 — write 8.
  • Tens: after borrowing, 6; 6 − 1 = 5 — write 5.

70 − 12 = 58

Second check: 70 − 58 = 12

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FAQ

What is 70 − 12?

70 − 12 = 58

How do you check that 70 − 12 = 58?

Add the difference and the subtrahend: 58 + 12 = 70. Getting the minuend back means the difference is right.

How many times do you borrow in 70 − 12?

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