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 \( \frac{5}{6} \) - \( \frac{9}{10} \)?
| 2 \( \frac{7}{30} \) | |
| -\(\frac{1}{15}\) | |
| 2 \( \frac{9}{30} \) | |
| 2 \( \frac{8}{30} \) |