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 \( \frac{9}{3} \) - \( \frac{4}{7} \)?
| \( \frac{8}{14} \) | |
| \( \frac{3}{21} \) | |
| 2 \( \frac{8}{17} \) | |
| 2\(\frac{3}{7}\) |