Evaluate
\frac{4}{13}\approx 0.307692308
Factor
\frac{2 ^ {2}}{13} = 0.3076923076923077
Share
Copied to clipboard
\frac{\left(\frac{24}{40}+\frac{5}{40}-\frac{7}{24}\right)\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Least common multiple of 5 and 8 is 40. Convert \frac{3}{5} and \frac{1}{8} to fractions with denominator 40.
\frac{\left(\frac{24+5}{40}-\frac{7}{24}\right)\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Since \frac{24}{40} and \frac{5}{40} have the same denominator, add them by adding their numerators.
\frac{\left(\frac{29}{40}-\frac{7}{24}\right)\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Add 24 and 5 to get 29.
\frac{\left(\frac{87}{120}-\frac{35}{120}\right)\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Least common multiple of 40 and 24 is 120. Convert \frac{29}{40} and \frac{7}{24} to fractions with denominator 120.
\frac{\frac{87-35}{120}\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Since \frac{87}{120} and \frac{35}{120} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{52}{120}\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Subtract 35 from 87 to get 52.
\frac{\frac{13}{30}\times \frac{3\times 13+1}{13}}{5-\frac{2}{3}}
Reduce the fraction \frac{52}{120} to lowest terms by extracting and canceling out 4.
\frac{\frac{13}{30}\times \frac{39+1}{13}}{5-\frac{2}{3}}
Multiply 3 and 13 to get 39.
\frac{\frac{13}{30}\times \frac{40}{13}}{5-\frac{2}{3}}
Add 39 and 1 to get 40.
\frac{\frac{13\times 40}{30\times 13}}{5-\frac{2}{3}}
Multiply \frac{13}{30} times \frac{40}{13} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{40}{30}}{5-\frac{2}{3}}
Cancel out 13 in both numerator and denominator.
\frac{\frac{4}{3}}{5-\frac{2}{3}}
Reduce the fraction \frac{40}{30} to lowest terms by extracting and canceling out 10.
\frac{\frac{4}{3}}{\frac{15}{3}-\frac{2}{3}}
Convert 5 to fraction \frac{15}{3}.
\frac{\frac{4}{3}}{\frac{15-2}{3}}
Since \frac{15}{3} and \frac{2}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{4}{3}}{\frac{13}{3}}
Subtract 2 from 15 to get 13.
\frac{4}{3}\times \frac{3}{13}
Divide \frac{4}{3} by \frac{13}{3} by multiplying \frac{4}{3} by the reciprocal of \frac{13}{3}.
\frac{4\times 3}{3\times 13}
Multiply \frac{4}{3} times \frac{3}{13} by multiplying numerator times numerator and denominator times denominator.
\frac{4}{13}
Cancel out 3 in both numerator and denominator.
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}