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 \( \frac{2}{5} \) - \( \frac{2}{7} \)?
| 2 \( \frac{1}{35} \) | |
| \( \frac{6}{35} \) | |
| \( \frac{5}{9} \) | |
| \(\frac{4}{35}\) |