Difference between 70 and 23

Vertically align numbers with Larger Number on top:
7 0
2 3

Subtract using place value:

Tens Ones
6 10
70 7 0
23 2 3
Difference 4 7
Column traversal from right to left
Ones column:
  • Since 0 is less than 3, we have to borrow 1 from the Tens column
  • As a result, 0 becomes 10, and 10 − 3 = 7
  • The 7 in the Tens column becomes 6

Tens column:

  • 6 − 2 = 4
6 10
7 0
2 3
4 7
Therefore, the Difference between 70 and 23 is 47

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

1
4 7
2 3
7 0

Sum of Difference and Smaller Number = 70
Sum of Difference and Smaller Number = Larger Number (70 = 70) ✓

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

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