### Rounding off Positive and Negative Numbers to Whole or Decimal Places, Online Calculator, Mathematical Explanations

**Round off 73.5 to the nearest ten billionth (10 decimal places)***Jul 25 15:38 UTC (GMT)***Round off 1.376 to the nearest hundredth (2 decimal places)***Jul 25 14:53 UTC (GMT)***Round off -1,725 to the nearest hundred (3 whole places)***Jul 25 14:05 UTC (GMT)*### Adding natural numbers calculator: calculate the sum and learn how to add multiple digit numbers

**973 + 2,079 + 292 + 281 + 523 + 143 + 105 + 837 + 102 + 6,540,125 = ?***Jul 25 15:48 UTC (GMT)***865 + 1,016 = ?***Jul 25 15:48 UTC (GMT)***565 + 581 + 589 = ?***Jul 25 15:48 UTC (GMT)*### Subtracting integer numbers calculator: calculate the difference and learn how to subtract multiple digit numbers

**- 191 + 221 - 224 - 230 - 230 + 193 + 219 - 273 = ?***Jul 25 15:48 UTC (GMT)***373 - 401 - 301 + 543 + 438 = ?***Jul 25 15:48 UTC (GMT)***- 108 + 119 = ?***Jul 25 15:48 UTC (GMT)*

### How to Round Off Numbers to Whole or Decimal Places, Theory, Explanations, Examples. Special Cases

### How to add natural numbers: calculate the sum and learn to add multiple digit numbers by using the column addition method

### How to subtract numbers: calculate the difference and learn to subtract multiple digits numbers by using the column subtracting method