Subtraction with Regrouping: 90,178 − 45,089

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 90,178 − 45,089?

Answer

90,178 − 45,089 =
45,089

With regrouping: 3 borrows — from the tens, the hundreds and the ten thousands

90,178 − 45,089 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.
8+10016+10
9(was 9, now 8)0 (was 0, now 10)1(was 1, now 0)7(was 7, now 16)8 (was 8, now 18)
−45089
45089

Column by column: 90,178 − 45,089

  • Ones: 8 is less than 9 — borrow 1 ten: tens 7 → 6; 18 − 9 = 9 — write 9.
  • Tens: after borrowing, 6; 6 is less than 8 — borrow 1 hundred: hundreds 1 → 0; 16 − 8 = 8 — write 8.
  • Hundreds: after borrowing, 0; 0 − 0 = 0 — write 0.
  • Thousands: 0 is less than 5 — borrow 1 ten thousand: ten thousands 9 → 8; 10 − 5 = 5 — write 5.
  • Ten thousands: after borrowing, 8; 8 − 4 = 4 — write 4.

90,178 − 45,089 = 45,089

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Recalculate with different values ↑

Column subtractions of 45,089

ExampleDifference
90,173 − 45,08945,084
90,174 − 45,08945,085
90,175 − 45,08945,086
90,176 − 45,08945,087
90,177 − 45,08945,088
90,178 − 45,08945,089
90,179 − 45,08945,090
90,180 − 45,08945,091
90,181 − 45,08945,092
90,182 − 45,08945,093
90,183 − 45,08945,094

FAQ

What is 90,178 − 45,089?

90,178 − 45,089 = 45,089

How do you check that 90,178 − 45,089 = 45,089?

Add the difference and the subtrahend: 45,089 + 45,089 = 90,178. Getting the minuend back means the difference is right.

How many times do you borrow in 90,178 − 45,089?

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

See Also