Addition with Regrouping: 78 + 71
Addition with Regrouping Calculator
What is 78 + 71?
Answer
78 + 71 =
149
The sum is longer than the addends: 1 carry — into the hundreds; the last one makes a new digit
| 1carry | |||
| 7 | 8 | ||
| + | 7 | 1 | |
| 1 | 4 | 9 |
Column by column: 78 + 71
- Ones: 8 + 1 = 9 — write 9.
- Tens: 7 + 7 = 14 — write 4, carry 1.
- Hundreds: the carried 1 — write 1.
78 + 71 = 149
Second check: 149 − 78 = 71
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- Adding Fractions Calculator - Add fractions, mixed numbers and whole numbers step by step
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