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 \( \frac{2}{9} \) + \( \frac{2}{15} \)?
| 2 \( \frac{4}{12} \) | |
| 2 \( \frac{9}{45} \) | |
| \(\frac{16}{45}\) | |
| 2 \( \frac{1}{5} \) |