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 \( \frac{7}{8} \) - \( \frac{6}{10} \)?
| 1 \( \frac{4}{12} \) | |
| \( \frac{7}{12} \) | |
| \( \frac{7}{13} \) | |
| \(\frac{11}{40}\) |