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 \( \frac{4}{2} \) - \( \frac{3}{10} \)?
| 2 \( \frac{6}{12} \) | |
| 2 \( \frac{4}{10} \) | |
| 2 \( \frac{2}{10} \) | |
| 1\(\frac{7}{10}\) |