Subtraction with Regrouping: 71 − 19

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 71 − 19?

Answer

71 − 19 =
52

With regrouping: 1 borrow — from the tens

71 − 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.
6+10
7(was 7, now 6)1 (was 1, now 11)
−19
52

Column by column: 71 − 19

  • Ones: 1 is less than 9 — borrow 1 ten: tens 7 → 6; 11 − 9 = 2 — write 2.
  • Tens: after borrowing, 6; 6 − 1 = 5 — write 5.

71 − 19 = 52

Second check: 71 − 52 = 19

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Column subtractions of 19

ExampleDifference
38 − 1919
42 − 1923
45 − 1926
47 − 1928
53 − 1934
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

FAQ

What is 71 − 19?

71 − 19 = 52

How do you check that 71 − 19 = 52?

Add the difference and the subtrahend: 52 + 19 = 71. Getting the minuend back means the difference is right.

How many times do you borrow in 71 − 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