Monica Capoor Solutions for Exercise 16: Think & Answer

Find the value of $\left(\frac{1}{x}+\frac{1}{y}\right)÷\left(x+y\right),$ if $x=\frac{3}{5}$ and $y=\frac{4}{3}$.

Swarna gave $\frac{1}{4}$ of her pocket money to her brother. Out of the remaining money she spent $\frac{1}{3}$ for buying a book and $\frac{1}{6}$ for watching a movie. She donated the rest of the money for charity. What fraction of her pocket money did she donate?