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 \( \frac{4}{9} \) + \( \frac{6}{15} \)?
| \( \frac{7}{16} \) | |
| \( \frac{6}{45} \) | |
| \(\frac{38}{45}\) | |
| \( \frac{8}{17} \) |