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 \( \frac{2}{3} \) - \( \frac{2}{9} \)?
\(\frac{4}{9}\) | |
2 \( \frac{7}{14} \) | |
1 \( \frac{1}{9} \) | |
\( \frac{3}{7} \) |