Difference between 43 and 31

Vertically align numbers with Larger Number on top:
4 3
3 1

Subtract using place value:

Tens Ones
43 4 3
31 3 1
Difference 1 2
Column traversal from right to left
Ones column:
  • 3 − 1 = 2

Tens column:

  • 4 − 3 = 1
4 3
3 1
1 2
Therefore, the Difference between 43 and 31 is 12

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

3 1
1 2
4 3

Sum of Smaller Number and Difference = 43
Sum of Smaller Number and Difference = Larger Number (43 = 43) ✓

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

Curated Videos