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 \( \frac{4}{6} \) - \( \frac{9}{12} \)?
| 1 \( \frac{9}{16} \) | |
| -\(\frac{1}{12}\) | |
| 1 \( \frac{3}{9} \) | |
| \( \frac{7}{15} \) |