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 \( \frac{3}{6} \) - \( \frac{7}{10} \)?
| \( \frac{1}{8} \) | |
| \( \frac{1}{7} \) | |
| \( \frac{9}{18} \) | |
| -\(\frac{1}{5}\) |