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 \( \frac{7}{5} \) - \( \frac{9}{7} \)?
| \( \frac{7}{11} \) | |
| \(\frac{4}{35}\) | |
| \( \frac{5}{12} \) | |
| \( \frac{2}{5} \) |