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 \( \frac{7}{5} \) - \( \frac{3}{9} \)?
| \( \frac{8}{17} \) | |
| 1\(\frac{1}{15}\) | |
| \( \frac{2}{11} \) | |
| 2 \( \frac{3}{45} \) |