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 \( \frac{2}{9} \) - \( \frac{3}{15} \)?
| \( \frac{6}{15} \) | |
| \( \frac{8}{12} \) | |
| \( \frac{9}{13} \) | |
| \(\frac{1}{45}\) |