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 \( \frac{9}{5} \) + \( \frac{9}{7} \)?
| 3\(\frac{3}{35}\) | |
| \( \frac{4}{35} \) | |
| \( \frac{2}{35} \) | |
| \( \frac{6}{10} \) |