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 \( \frac{5}{4} \) - \( \frac{2}{10} \)?
| 2 \( \frac{8}{15} \) | |
| 1\(\frac{1}{20}\) | |
| 2 \( \frac{1}{6} \) | |
| 2 \( \frac{5}{9} \) |