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 \( \frac{7}{5} \) + \( \frac{8}{9} \)?
| 2 \( \frac{9}{13} \) | |
| 1 \( \frac{2}{7} \) | |
| 2 \( \frac{1}{7} \) | |
| 2\(\frac{13}{45}\) |