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\frac{4}{3}+\frac{\lfloor \frac{1}{5}\times \frac{2-1}{3}+\frac{4}{5}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Since \frac{2}{3} and \frac{1}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{4}{3}+\frac{\lfloor \frac{1}{5}\times \frac{1}{3}+\frac{4}{5}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Subtract 1 from 2 to get 1.
\frac{4}{3}+\frac{\lfloor \frac{1\times 1}{5\times 3}+\frac{4}{5}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Multiply \frac{1}{5} times \frac{1}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{4}{3}+\frac{\lfloor \frac{1}{15}+\frac{4}{5}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Do the multiplications in the fraction \frac{1\times 1}{5\times 3}.
\frac{4}{3}+\frac{\lfloor \frac{1}{15}+\frac{12}{15}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Least common multiple of 15 and 5 is 15. Convert \frac{1}{15} and \frac{4}{5} to fractions with denominator 15.
\frac{4}{3}+\frac{\lfloor \frac{1+12}{15}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Since \frac{1}{15} and \frac{12}{15} have the same denominator, add them by adding their numerators.
\frac{4}{3}+\frac{\lfloor \frac{13}{15}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Add 1 and 12 to get 13.
\frac{4}{3}+\frac{\lfloor 0+\frac{13}{15}\rfloor }{\frac{3}{7}}+\frac{1}{9}
Dividing 13 by 15 gives 0 and remainder 13. Rewrite \frac{13}{15} as 0+\frac{13}{15}.
\frac{4}{3}+\frac{0}{\frac{3}{7}}+\frac{1}{9}
The floor of a real number a is the largest integer number less than or equal to a. The floor of 0+\frac{13}{15} is 0.
\frac{4}{3}+0+\frac{1}{9}
Zero divided by any non-zero number gives zero.
\frac{4}{3}+\frac{1}{9}
Add \frac{4}{3} and 0 to get \frac{4}{3}.
\frac{12}{9}+\frac{1}{9}
Least common multiple of 3 and 9 is 9. Convert \frac{4}{3} and \frac{1}{9} to fractions with denominator 9.
\frac{12+1}{9}
Since \frac{12}{9} and \frac{1}{9} have the same denominator, add them by adding their numerators.
\frac{13}{9}
Add 12 and 1 to get 13.