Subtraction with Regrouping: 172 − 36

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 172 − 36?

Answer

172 − 36 =
136

With regrouping: 1 borrow — from the tens

172 − 36 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
1 7(was 7, now 6)2 (was 2, now 12)
−36
136

Column by column: 172 − 36

  • Ones: 2 is less than 6 — borrow 1 ten: tens 7 → 6; 12 − 6 = 6 — write 6.
  • Tens: after borrowing, 6; 6 − 3 = 3 — write 3.
  • Hundreds: nothing to subtract — write 1.

172 − 36 = 136

Second check: 172 − 136 = 36

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Recalculate with different values ↑

Column subtractions of 36

ExampleDifference
110 − 3674
112 − 3676
114 − 3678
119 − 3683
121 − 3685
125 − 3689
128 − 3692
130 − 3694
134 − 3698
141 − 36105
172 − 36136
200 − 36164
208 − 36172
239 − 36203
275 − 36239
300 − 36264
304 − 36268
343 − 36307
384 − 36348
412 − 36376

FAQ

What is 172 − 36?

172 − 36 = 136

How do you check that 172 − 36 = 136?

Add the difference and the subtrahend: 136 + 36 = 172. Getting the minuend back means the difference is right.

How many times do you borrow in 172 − 36?

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