Evaluate
\frac{247}{240}\approx 1.029166667
Factor
\frac{13 \cdot 19}{2 ^ {4} \cdot 3 \cdot 5} = 1\frac{7}{240} = 1.0291666666666666
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\frac{1}{5}\left(-\frac{6}{3}+\frac{8}{3}\right)+\frac{1}{6}\left(\frac{3}{8}+5\right)
Convert -2 to fraction -\frac{6}{3}.
\frac{1}{5}\times \frac{-6+8}{3}+\frac{1}{6}\left(\frac{3}{8}+5\right)
Since -\frac{6}{3} and \frac{8}{3} have the same denominator, add them by adding their numerators.
\frac{1}{5}\times \frac{2}{3}+\frac{1}{6}\left(\frac{3}{8}+5\right)
Add -6 and 8 to get 2.
\frac{1\times 2}{5\times 3}+\frac{1}{6}\left(\frac{3}{8}+5\right)
Multiply \frac{1}{5} times \frac{2}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{15}+\frac{1}{6}\left(\frac{3}{8}+5\right)
Do the multiplications in the fraction \frac{1\times 2}{5\times 3}.
\frac{2}{15}+\frac{1}{6}\left(\frac{3}{8}+\frac{40}{8}\right)
Convert 5 to fraction \frac{40}{8}.
\frac{2}{15}+\frac{1}{6}\times \frac{3+40}{8}
Since \frac{3}{8} and \frac{40}{8} have the same denominator, add them by adding their numerators.
\frac{2}{15}+\frac{1}{6}\times \frac{43}{8}
Add 3 and 40 to get 43.
\frac{2}{15}+\frac{1\times 43}{6\times 8}
Multiply \frac{1}{6} times \frac{43}{8} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{15}+\frac{43}{48}
Do the multiplications in the fraction \frac{1\times 43}{6\times 8}.
\frac{32}{240}+\frac{215}{240}
Least common multiple of 15 and 48 is 240. Convert \frac{2}{15} and \frac{43}{48} to fractions with denominator 240.
\frac{32+215}{240}
Since \frac{32}{240} and \frac{215}{240} have the same denominator, add them by adding their numerators.
\frac{247}{240}
Add 32 and 215 to get 247.
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}