Subtraction with Regrouping: 157 − 74

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 157 − 74?

Answer

157 − 74 =
83

With regrouping: 1 borrow — from the hundreds

157 − 74 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.
0+10
1(was 1, now 0)5 (was 5, now 15)7
−74
83

Column by column: 157 − 74

  • Ones: 7 − 4 = 3 — write 3.
  • Tens: 5 is less than 7 — borrow 1 hundred: hundreds 1 → 0; 15 − 7 = 8 — write 8.
  • Hundreds: after borrowing, 0 — a leading zero is not written.

157 − 74 = 83

Second check: 157 − 83 = 74

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See Also

FAQ

What is 157 − 74?

157 − 74 = 83

How do you check that 157 − 74 = 83?

Add the difference and the subtrahend: 83 + 74 = 157. Getting the minuend back means the difference is right.

How many times do you borrow in 157 − 74?

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