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 \( \frac{7}{2} \) + \( \frac{4}{4} \)?
| \( \frac{3}{7} \) | |
| 4\(\frac{1}{2}\) | |
| \( \frac{9}{4} \) | |
| \( \frac{7}{12} \) |