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 \( \frac{5}{2} \) - \( \frac{8}{4} \)?
\( \frac{2}{8} \) | |
2 \( \frac{5}{4} \) | |
1 \( \frac{8}{12} \) | |
\(\frac{1}{2}\) |