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 \( \frac{7}{2} \) - \( \frac{9}{10} \)?
| 2\(\frac{3}{5}\) | |
| \( \frac{1}{10} \) | |
| 2 \( \frac{5}{10} \) | |
| \( \frac{6}{10} \) |