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 \( \frac{7}{6} \) - \( \frac{9}{10} \)?
| \(\frac{4}{15}\) | |
| 1 \( \frac{2}{9} \) | |
| 2 \( \frac{1}{30} \) | |
| 2 \( \frac{7}{30} \) |