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 \( \frac{2}{9} \) - \( \frac{6}{15} \)?
| 2 \( \frac{2}{10} \) | |
| 2 \( \frac{5}{9} \) | |
| \( \frac{2}{5} \) | |
| -\(\frac{8}{45}\) |