Decimals are added and subtracted just like whole numbers. The decimal points play a vital role in the alignment of the digits. The digits with similar place value should be aligned. This is done by just aligning the decimal points.
| `1` | `1` | ||||
| 1 | 2 | . | 4 | 3 | |
| + | 4 | 5 | . | 9 | 8 |
| 5 | 8 | . | 4 | 1 | |
Therefore, `12.43 + 45.98 = 58.41`
| `3` | `1` | ||||
| 7 | 3 | . | 4 | 0 | |
| - | 5 | . | 1 | 1 | |
| 6 | 8 | . | 2 | 9 | |
Therefore, `73.4 - 5.11 = 68.29`
© 2023 iPracticeMath | All Rights Reserved | Terms of Use.