Difference between 27 and 19

Vertically align numbers with Larger Number on top:
2 7
1 9

Subtract using place value:

Tens Ones
1 17
27 2 7
19 1 9
Difference 8
Column traversal from right to left
Ones column:
  • Since 7 is less than 9, we have to borrow 1 from the Tens column
  • As a result, 7 becomes 17, and 17 − 9 = 8
  • The 2 in the Tens column becomes 1

Tens column:

  • 1 − 1 = 0

Note: Leading zero is dropped

1 17
2 7
1 9
8
Therefore, the Difference between 27 and 19 is 8

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

1
1 9
8
2 7

Sum of Smaller Number and Difference = 27
Sum of Smaller Number and Difference = Larger Number (27 = 27) ✓

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

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