Subtraction with Regrouping: 82 − 15

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 82 − 15?

Answer

82 − 15 =
67

With regrouping: 1 borrow — from the tens

82 − 15 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)2 (was 2, now 12)
−15
67

Column by column: 82 − 15

  • Ones: 2 is less than 5 — borrow 1 ten: tens 8 → 7; 12 − 5 = 7 — write 7.
  • Tens: after borrowing, 7; 7 − 1 = 6 — write 6.

82 − 15 = 67

Second check: 82 − 67 = 15

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Recalculate with different values ↑

Column subtractions of 15

ExampleDifference
51 − 1536
54 − 1539
56 − 1541
60 − 1545
62 − 1547
67 − 1552
69 − 1554
73 − 1558
78 − 1563
80 − 1565
82 − 1567
84 − 1569
86 − 1571
89 − 1574
91 − 1576
93 − 1578
98 − 1583
100 − 1585
104 − 1589
107 − 1592

FAQ

What is 82 − 15?

82 − 15 = 67

How do you check that 82 − 15 = 67?

Add the difference and the subtrahend: 67 + 15 = 82. Getting the minuend back means the difference is right.

How many times do you borrow in 82 − 15?

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

See Also