Evaluate
-\frac{4}{15}\approx -0.266666667
Factor
-\frac{4}{15} = -0.26666666666666666
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\frac{3}{2}+\frac{1\times 1}{3\times 2}-\frac{\frac{4}{5}}{3}-\frac{5}{3}
Multiply \frac{1}{3} times \frac{1}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{3}{2}+\frac{1}{6}-\frac{\frac{4}{5}}{3}-\frac{5}{3}
Do the multiplications in the fraction \frac{1\times 1}{3\times 2}.
\frac{9}{6}+\frac{1}{6}-\frac{\frac{4}{5}}{3}-\frac{5}{3}
Least common multiple of 2 and 6 is 6. Convert \frac{3}{2} and \frac{1}{6} to fractions with denominator 6.
\frac{9+1}{6}-\frac{\frac{4}{5}}{3}-\frac{5}{3}
Since \frac{9}{6} and \frac{1}{6} have the same denominator, add them by adding their numerators.
\frac{10}{6}-\frac{\frac{4}{5}}{3}-\frac{5}{3}
Add 9 and 1 to get 10.
\frac{5}{3}-\frac{\frac{4}{5}}{3}-\frac{5}{3}
Reduce the fraction \frac{10}{6} to lowest terms by extracting and canceling out 2.
\frac{5}{3}-\frac{4}{5\times 3}-\frac{5}{3}
Express \frac{\frac{4}{5}}{3} as a single fraction.
\frac{5}{3}-\frac{4}{15}-\frac{5}{3}
Multiply 5 and 3 to get 15.
\frac{25}{15}-\frac{4}{15}-\frac{5}{3}
Least common multiple of 3 and 15 is 15. Convert \frac{5}{3} and \frac{4}{15} to fractions with denominator 15.
\frac{25-4}{15}-\frac{5}{3}
Since \frac{25}{15} and \frac{4}{15} have the same denominator, subtract them by subtracting their numerators.
\frac{21}{15}-\frac{5}{3}
Subtract 4 from 25 to get 21.
\frac{7}{5}-\frac{5}{3}
Reduce the fraction \frac{21}{15} to lowest terms by extracting and canceling out 3.
\frac{21}{15}-\frac{25}{15}
Least common multiple of 5 and 3 is 15. Convert \frac{7}{5} and \frac{5}{3} to fractions with denominator 15.
\frac{21-25}{15}
Since \frac{21}{15} and \frac{25}{15} have the same denominator, subtract them by subtracting their numerators.
-\frac{4}{15}
Subtract 25 from 21 to get -4.
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}