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 \( \frac{2}{8} \) - \( \frac{6}{12} \)?
| \( \frac{1}{10} \) | |
| \( \frac{8}{17} \) | |
| 1 \( \frac{9}{18} \) | |
| -\(\frac{1}{4}\) |