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 \( \frac{4}{6} \) - \( \frac{6}{14} \)?
| \( \frac{6}{42} \) | |
| 1 \( \frac{1}{42} \) | |
| 1 \( \frac{3}{12} \) | |
| \(\frac{5}{21}\) |