Difference between 81 and 65

Vertically align numbers with Larger Number on top:
8 1
6 5

Subtract using place value:

Tens Ones
7 11
81 8 1
65 6 5
Difference 1 6
Column traversal from right to left
Ones column:
  • Since 1 is less than 5, we have to borrow 1 from the Tens column
  • As a result, 1 becomes 11, and 11 − 5 = 6
  • The 8 in the Tens column becomes 7

Tens column:

  • 7 − 6 = 1
7 11
8 1
6 5
1 6
Therefore, the Difference between 81 and 65 is 16

Check computation by comparing Larger Number and the Sum of Smaller Number and Difference:

1
6 5
1 6
8 1

Sum of Smaller Number and Difference = 81
Sum of Smaller Number and Difference = Larger Number (81 = 81) ✓

The solution above and other related solutions were provided by the Difference Between Two Numbers Application.

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