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 \( \frac{2}{5} \) - \( \frac{6}{7} \)?
| -\(\frac{16}{35}\) | |
| 2 \( \frac{9}{15} \) | |
| 2 \( \frac{6}{11} \) | |
| 1 \( \frac{5}{35} \) |