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1+\frac{1}{1}+\frac{1}{2^{2}}+\frac{1}{3^{2}}
Rewrite 1^{2} as 1\times 1. Cancel out 1 in both numerator and denominator.
1+1+\frac{1}{2^{2}}+\frac{1}{3^{2}}
Divide 1 by 1 to get 1.
2+\frac{1}{2^{2}}+\frac{1}{3^{2}}
Add 1 and 1 to get 2.
2+\frac{1}{4}+\frac{1}{3^{2}}
Calculate 2 to the power of 2 and get 4.
\frac{8}{4}+\frac{1}{4}+\frac{1}{3^{2}}
Convert 2 to fraction \frac{8}{4}.
\frac{8+1}{4}+\frac{1}{3^{2}}
Since \frac{8}{4} and \frac{1}{4} have the same denominator, add them by adding their numerators.
\frac{9}{4}+\frac{1}{3^{2}}
Add 8 and 1 to get 9.
\frac{9}{4}+\frac{1}{9}
Calculate 3 to the power of 2 and get 9.
\frac{81}{36}+\frac{4}{36}
Least common multiple of 4 and 9 is 36. Convert \frac{9}{4} and \frac{1}{9} to fractions with denominator 36.
\frac{81+4}{36}
Since \frac{81}{36} and \frac{4}{36} have the same denominator, add them by adding their numerators.
\frac{85}{36}
Add 81 and 4 to get 85.