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 \( \frac{2}{9} \) - \( \frac{7}{15} \)?
| 2 \( \frac{2}{45} \) | |
| 2 \( \frac{6}{45} \) | |
| -\(\frac{11}{45}\) | |
| 1 \( \frac{7}{13} \) |