Enter two numbers below:
Perform the following regrouping:
12365 - 992:
Line up our numbers vertically.
| 1 | 2 | 3 | 6 | 5 | |
| _ | 9 | 9 | 2 |
| 1 | 2 | 3 | 6 | 5 | |
| _ | 9 | 9 | 2 | 3 |
Column 1 (ones column): 5 - 2 = 3
| 16 | |||||
| 1 | 2 | 3 | 5 | ||
| _ | 9 | 9 | 2 | 7 | 3 |
Column 2: 6 - 9 is < 0,
Borrow 10 tens from the hundreds column.
Column 2 (tens column): 10 + 6 = 16
Column 2 (tens column): 16 - 9 = 7
| 12 | 16 | ||||
| 1 | 2 | 5 | |||
| _ | 9 | 9 | 2 | 3 | 7 | 3 |
Column 3: 3 - 9 is <= 0, and we needed to borrow on the last column.
Therefore, we need to subtract 1 for the borrow in the previous column, and then add 10 for another borrow for this column. Total borrowing is 10 - 1 = 9.
Column 3: 9 + 3 - 9 = 3
Borrow 10 hundreds from the thousands column.
| 1 | 12 | 16 | |||
| 1 | 5 | ||||
| _ | 9 | 9 | 2 | 1 | 3 | 7 | 3 |
Column 4: 2 - 0 is >= 0
But we borrowed on the last column
We take it out of 2
Column 4 (thousands column): 2 - 1 = 1
Column 4 (thousands column): 1 - 0 = 1
Borrow 10 thousands from the ten-thousands column.
| 1 | 12 | 16 | |||
| 1 | 5 | ||||
| _ | 9 | 9 | 2 | 1 | 1 | 3 | 7 | 3 |
Column 5 (ten-thousands column): 1 - 0 = 1
Excel or Google Sheets formula:
Excel or Google Sheets formula:=12365 - 99211373
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What is the Answer?
How does the Regrouping Calculator work?
Free Regrouping Calculator - Subtracts two numbers using regrouping
This calculator has 2 inputs.
What 4 concepts are covered in the Regrouping Calculator?
- borrow
- to take (one) from a digit of the minuend in subtraction in order to add as 10 to the digit holding the next lower place.
- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
- regrouping
- make groups of ten when performing operations such as addition or subtraction.
- subtract
- to take away from a group or a number of things
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