- 4 + \frac { 3 } { 4 } - \frac { 1 } { 2 } \times 5 + \frac { 5 } { 8 } ( - \frac { 2 } { 15 } ) - \frac { 3 } { 2 } ( - \frac { 1 } { 2 } + \frac { 1 } { 2 } ( - 4 )
Evaluate
-\frac{25}{12}\approx -2.083333333
Factor
-\frac{25}{12} = -2\frac{1}{12} = -2.0833333333333335
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-\frac{16}{4}+\frac{3}{4}-\frac{1}{2}\times 5+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Convert -4 to fraction -\frac{16}{4}.
\frac{-16+3}{4}-\frac{1}{2}\times 5+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Since -\frac{16}{4} and \frac{3}{4} have the same denominator, add them by adding their numerators.
-\frac{13}{4}-\frac{1}{2}\times 5+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Add -16 and 3 to get -13.
-\frac{13}{4}-\frac{5}{2}+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Multiply \frac{1}{2} and 5 to get \frac{5}{2}.
-\frac{13}{4}-\frac{10}{4}+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Least common multiple of 4 and 2 is 4. Convert -\frac{13}{4} and \frac{5}{2} to fractions with denominator 4.
\frac{-13-10}{4}+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Since -\frac{13}{4} and \frac{10}{4} have the same denominator, subtract them by subtracting their numerators.
-\frac{23}{4}+\frac{5}{8}\left(-\frac{2}{15}\right)-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Subtract 10 from -13 to get -23.
-\frac{23}{4}+\frac{5\left(-2\right)}{8\times 15}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Multiply \frac{5}{8} times -\frac{2}{15} by multiplying numerator times numerator and denominator times denominator.
-\frac{23}{4}+\frac{-10}{120}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Do the multiplications in the fraction \frac{5\left(-2\right)}{8\times 15}.
-\frac{23}{4}-\frac{1}{12}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Reduce the fraction \frac{-10}{120} to lowest terms by extracting and canceling out 10.
-\frac{69}{12}-\frac{1}{12}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Least common multiple of 4 and 12 is 12. Convert -\frac{23}{4} and \frac{1}{12} to fractions with denominator 12.
\frac{-69-1}{12}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Since -\frac{69}{12} and \frac{1}{12} have the same denominator, subtract them by subtracting their numerators.
\frac{-70}{12}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Subtract 1 from -69 to get -70.
-\frac{35}{6}-\frac{3}{2}\left(-\frac{1}{2}+\frac{1}{2}\left(-4\right)\right)
Reduce the fraction \frac{-70}{12} to lowest terms by extracting and canceling out 2.
-\frac{35}{6}-\frac{3}{2}\left(-\frac{1}{2}+\frac{-4}{2}\right)
Multiply \frac{1}{2} and -4 to get \frac{-4}{2}.
-\frac{35}{6}-\frac{3}{2}\left(-\frac{1}{2}-2\right)
Divide -4 by 2 to get -2.
-\frac{35}{6}-\frac{3}{2}\left(-\frac{1}{2}-\frac{4}{2}\right)
Convert 2 to fraction \frac{4}{2}.
-\frac{35}{6}-\frac{3}{2}\times \frac{-1-4}{2}
Since -\frac{1}{2} and \frac{4}{2} have the same denominator, subtract them by subtracting their numerators.
-\frac{35}{6}-\frac{3}{2}\left(-\frac{5}{2}\right)
Subtract 4 from -1 to get -5.
-\frac{35}{6}-\frac{3\left(-5\right)}{2\times 2}
Multiply \frac{3}{2} times -\frac{5}{2} by multiplying numerator times numerator and denominator times denominator.
-\frac{35}{6}-\frac{-15}{4}
Do the multiplications in the fraction \frac{3\left(-5\right)}{2\times 2}.
-\frac{35}{6}-\left(-\frac{15}{4}\right)
Fraction \frac{-15}{4} can be rewritten as -\frac{15}{4} by extracting the negative sign.
-\frac{35}{6}+\frac{15}{4}
The opposite of -\frac{15}{4} is \frac{15}{4}.
-\frac{70}{12}+\frac{45}{12}
Least common multiple of 6 and 4 is 12. Convert -\frac{35}{6} and \frac{15}{4} to fractions with denominator 12.
\frac{-70+45}{12}
Since -\frac{70}{12} and \frac{45}{12} have the same denominator, add them by adding their numerators.
-\frac{25}{12}
Add -70 and 45 to get -25.
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}