6}+\frac{1}{6}-\frac{1}{7}+\frac{1}{7}-\frac{1}{8}+\frac{1}{8}-\frac{1}{
9
}\] \[\frac{1}{4}-\frac{1}{9}=\frac{9-4}{
36
}=\frac{5}{36}=\frac{
X
}{y}\] \[x=5,\,\,y=36=36+5=41\]