Subtraction with Regrouping: 83 − 36

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 83 − 36?

Answer

83 − 36 =
47

With regrouping: 1 borrow — from the tens

83 − 36 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.
7+10
8(was 8, now 7)3 (was 3, now 13)
−36
47

Column by column: 83 − 36

  • Ones: 3 is less than 6 — borrow 1 ten: tens 8 → 7; 13 − 6 = 7 — write 7.
  • Tens: after borrowing, 7; 7 − 3 = 4 — write 4.

83 − 36 = 47

Second check: 83 − 47 = 36

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FAQ

What is 83 − 36?

83 − 36 = 47

How do you check that 83 − 36 = 47?

Add the difference and the subtrahend: 47 + 36 = 83. Getting the minuend back means the difference is right.

How many times do you borrow in 83 − 36?

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