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 \( \frac{2}{6} \) - \( \frac{8}{14} \)?
| 1 \( \frac{7}{42} \) | |
| 1 \( \frac{8}{14} \) | |
| \( \frac{7}{15} \) | |
| -\(\frac{5}{21}\) |