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-\frac{4}{25}+\frac{\frac{7}{20}}{-\frac{3}{20}}-\frac{1}{5}
Reduce the fraction \frac{6}{40} to lowest terms by extracting and canceling out 2.
-\frac{4}{25}+\frac{7}{20}\left(-\frac{20}{3}\right)-\frac{1}{5}
Divide \frac{7}{20} by -\frac{3}{20} by multiplying \frac{7}{20} by the reciprocal of -\frac{3}{20}.
-\frac{4}{25}+\frac{7\left(-20\right)}{20\times 3}-\frac{1}{5}
Multiply \frac{7}{20} times -\frac{20}{3} by multiplying numerator times numerator and denominator times denominator.
-\frac{4}{25}+\frac{-140}{60}-\frac{1}{5}
Do the multiplications in the fraction \frac{7\left(-20\right)}{20\times 3}.
-\frac{4}{25}-\frac{7}{3}-\frac{1}{5}
Reduce the fraction \frac{-140}{60} to lowest terms by extracting and canceling out 20.
-\frac{12}{75}-\frac{175}{75}-\frac{1}{5}
Least common multiple of 25 and 3 is 75. Convert -\frac{4}{25} and \frac{7}{3} to fractions with denominator 75.
\frac{-12-175}{75}-\frac{1}{5}
Since -\frac{12}{75} and \frac{175}{75} have the same denominator, subtract them by subtracting their numerators.
-\frac{187}{75}-\frac{1}{5}
Subtract 175 from -12 to get -187.
-\frac{187}{75}-\frac{15}{75}
Least common multiple of 75 and 5 is 75. Convert -\frac{187}{75} and \frac{1}{5} to fractions with denominator 75.
\frac{-187-15}{75}
Since -\frac{187}{75} and \frac{15}{75} have the same denominator, subtract them by subtracting their numerators.
-\frac{202}{75}
Subtract 15 from -187 to get -202.