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 \( \frac{4}{4} \) - \( \frac{8}{8} \)?
| 2 \( \frac{7}{15} \) | |
| 2 \( \frac{2}{10} \) | |
| 2 \( \frac{6}{9} \) |