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\frac{5}{45}+\frac{3}{45}-\frac{1}{6}+\frac{1}{30}
Least common multiple of 9 and 15 is 45. Convert \frac{1}{9} and \frac{1}{15} to fractions with denominator 45.
\frac{5+3}{45}-\frac{1}{6}+\frac{1}{30}
Since \frac{5}{45} and \frac{3}{45} have the same denominator, add them by adding their numerators.
\frac{8}{45}-\frac{1}{6}+\frac{1}{30}
Add 5 and 3 to get 8.
\frac{16}{90}-\frac{15}{90}+\frac{1}{30}
Least common multiple of 45 and 6 is 90. Convert \frac{8}{45} and \frac{1}{6} to fractions with denominator 90.
\frac{16-15}{90}+\frac{1}{30}
Since \frac{16}{90} and \frac{15}{90} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{90}+\frac{1}{30}
Subtract 15 from 16 to get 1.
\frac{1}{90}+\frac{3}{90}
Least common multiple of 90 and 30 is 90. Convert \frac{1}{90} and \frac{1}{30} to fractions with denominator 90.
\frac{1+3}{90}
Since \frac{1}{90} and \frac{3}{90} have the same denominator, add them by adding their numerators.
\frac{4}{90}
Add 1 and 3 to get 4.
\frac{2}{45}
Reduce the fraction \frac{4}{90} to lowest terms by extracting and canceling out 2.