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 \( \frac{2}{2} \) - \( \frac{2}{4} \)?
| 1 \( \frac{6}{4} \) | |
| \(\frac{1}{2}\) | |
| 2 \( \frac{1}{4} \) | |
| 2 \( \frac{1}{6} \) |