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 \( \frac{2}{3} \) - \( \frac{2}{9} \)?
| 2 \( \frac{1}{5} \) | |
| \(\frac{4}{9}\) | |
| \( \frac{4}{10} \) | |
| \( \frac{5}{10} \) |