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 \( \frac{2}{5} \) - \( \frac{2}{9} \)?
| \( \frac{8}{17} \) | |
| \( \frac{7}{45} \) | |
| \(\frac{8}{45}\) | |
| \( \frac{6}{10} \) |