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 \( \frac{4}{6} \) + \( \frac{4}{14} \)?
| 2 \( \frac{5}{42} \) | |
| 2 \( \frac{8}{11} \) | |
| \(\frac{20}{21}\) | |
| \( \frac{5}{42} \) |