Evaluate
-\frac{16}{5}=-3.2
Factor
-\frac{16}{5} = -3\frac{1}{5} = -3.2
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\frac{12}{5}\left(\frac{6}{9}-\frac{75}{100}\times \frac{15}{90}\right)-\frac{45}{10}
Reduce the fraction \frac{24}{10} to lowest terms by extracting and canceling out 2.
\frac{12}{5}\left(\frac{2}{3}-\frac{75}{100}\times \frac{15}{90}\right)-\frac{45}{10}
Reduce the fraction \frac{6}{9} to lowest terms by extracting and canceling out 3.
\frac{12}{5}\left(\frac{2}{3}-\frac{3}{4}\times \frac{15}{90}\right)-\frac{45}{10}
Reduce the fraction \frac{75}{100} to lowest terms by extracting and canceling out 25.
\frac{12}{5}\left(\frac{2}{3}-\frac{3}{4}\times \frac{1}{6}\right)-\frac{45}{10}
Reduce the fraction \frac{15}{90} to lowest terms by extracting and canceling out 15.
\frac{12}{5}\left(\frac{2}{3}-\frac{3\times 1}{4\times 6}\right)-\frac{45}{10}
Multiply \frac{3}{4} times \frac{1}{6} by multiplying numerator times numerator and denominator times denominator.
\frac{12}{5}\left(\frac{2}{3}-\frac{3}{24}\right)-\frac{45}{10}
Do the multiplications in the fraction \frac{3\times 1}{4\times 6}.
\frac{12}{5}\left(\frac{2}{3}-\frac{1}{8}\right)-\frac{45}{10}
Reduce the fraction \frac{3}{24} to lowest terms by extracting and canceling out 3.
\frac{12}{5}\left(\frac{16}{24}-\frac{3}{24}\right)-\frac{45}{10}
Least common multiple of 3 and 8 is 24. Convert \frac{2}{3} and \frac{1}{8} to fractions with denominator 24.
\frac{12}{5}\times \frac{16-3}{24}-\frac{45}{10}
Since \frac{16}{24} and \frac{3}{24} have the same denominator, subtract them by subtracting their numerators.
\frac{12}{5}\times \frac{13}{24}-\frac{45}{10}
Subtract 3 from 16 to get 13.
\frac{12\times 13}{5\times 24}-\frac{45}{10}
Multiply \frac{12}{5} times \frac{13}{24} by multiplying numerator times numerator and denominator times denominator.
\frac{156}{120}-\frac{45}{10}
Do the multiplications in the fraction \frac{12\times 13}{5\times 24}.
\frac{13}{10}-\frac{45}{10}
Reduce the fraction \frac{156}{120} to lowest terms by extracting and canceling out 12.
\frac{13-45}{10}
Since \frac{13}{10} and \frac{45}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{-32}{10}
Subtract 45 from 13 to get -32.
-\frac{16}{5}
Reduce the fraction \frac{-32}{10} to lowest terms by extracting and canceling out 2.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}