Fractions must share a common denominator in order to be added or subtracted. The common denominator is the least common multiple of all the denominators.
What is \( \frac{7}{3} \) + \( \frac{7}{7} \)?
| \( \frac{1}{21} \) | |
| 3\(\frac{1}{3}\) | |
| 2 \( \frac{7}{16} \) | |
| 2 \( \frac{7}{21} \) |