Subtraction with Regrouping: 86 − 19

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 86 − 19?

Answer

86 − 19 =
67

With regrouping: 1 borrow — from the tens

86 − 19 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)6 (was 6, now 16)
−19
67

Column by column: 86 − 19

  • Ones: 6 is less than 9 — borrow 1 ten: tens 8 → 7; 16 − 9 = 7 — write 7.
  • Tens: after borrowing, 7; 7 − 1 = 6 — write 6.

86 − 19 = 67

Second check: 86 − 67 = 19

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Column subtractions of 19

ExampleDifference
55 − 1936
58 − 1939
60 − 1941
64 − 1945
66 − 1947
71 − 1952
73 − 1954
77 − 1958
82 − 1963
84 − 1965
86 − 1967
88 − 1969
90 − 1971
93 − 1974
95 − 1976
97 − 1978
102 − 1983
104 − 1985
108 − 1989
111 − 1992

FAQ

What is 86 − 19?

86 − 19 = 67

How do you check that 86 − 19 = 67?

Add the difference and the subtrahend: 67 + 19 = 86. Getting the minuend back means the difference is right.

How many times do you borrow in 86 − 19?

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