Solution & Answer:
[tex]\begin{aligned}\text{1. } & \dfrac{4}{9} - \dfrac{1}{9} = \dfrac{3}{9} \Rightarrow \dfrac{1}{3}\\\text{2. } & \dfrac{7}{8} - \dfrac{2}{8} = \dfrac{5}{8}\\\text{3. } & \dfrac{9}{10} - \dfrac{4}{10} = \dfrac{5}{10} \Rightarrow \dfrac{1}{2}\\\text{4. } & \dfrac{3}{6} - \dfrac{6}{18} = \dfrac{9-6}{18} = \dfrac{15}{18} \Rightarrow \frac{5}{6}\\\text{5. } & \dfrac{7}{5} - \dfrac{2}{3} = \dfrac{21-10}{15} =\dfrac{11}{15} \end{aligned}[/tex]
Step-by-step explanation:
- To subtract fractions, find the LCD and then combine.
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