Vertically align numbers with Larger Number on top:
0 | . | 7 | |
− | 0 | . | 3 |
Subtract using place value:
Ones | Tenths | ||
---|---|---|---|
0.7 | 0 | . | 7 |
0.3 | 0 | . | 3 |
Difference | 0 | . | 4 |
Column traversal from right to left
Tenths column:
Tenths column:
- 7 − 3 = 4
Ones column:
- 0 − 0 = 0
0 | . | 7 | |
− | 0 | . | 3 |
0 | . | 4 |
Therefore, the Difference between 0.7 and 0.3 is 0.4
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
0 | . | 4 | |
0 | . | 3 | |
0 | . | 7 |
Sum of Difference and Smaller Number = 0.7
Sum of Difference and Smaller Number = Larger Number (0.7 = 0.7) ✓