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 \( \frac{5}{6} \) - \( \frac{7}{10} \)?
| 2 \( \frac{4}{30} \) | |
| \(\frac{2}{15}\) | |
| 1 \( \frac{4}{7} \) | |
| 1 \( \frac{2}{30} \) |