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 \( \frac{3}{6} \) - \( \frac{7}{12} \)?
| \( \frac{2}{7} \) | |
| 2 \( \frac{8}{15} \) | |
| -\(\frac{1}{12}\) | |
| 2 \( \frac{9}{12} \) |