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 \( \frac{2}{3} \) - \( \frac{7}{9} \)?
| \( \frac{1}{5} \) | |
| \( \frac{1}{9} \) | |
| \( \frac{7}{12} \) | |
| -\(\frac{1}{9}\) |