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 \( \frac{9}{2} \) - \( \frac{2}{4} \)?
| 4 | |
| 2 \( \frac{9}{13} \) | |
| \( \frac{2}{8} \) | |
| 2 \( \frac{2}{4} \) |