Evaluate
\frac{63}{13}\approx 4.846153846
Factor
\frac{3 ^ {2} \cdot 7}{13} = 4\frac{11}{13} = 4.846153846153846
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\frac{5-\frac{26+9}{13}}{\frac{6}{7}}+\frac{2\times 13+2}{13}
Multiply 2 and 13 to get 26.
\frac{5-\frac{35}{13}}{\frac{6}{7}}+\frac{2\times 13+2}{13}
Add 26 and 9 to get 35.
\frac{\frac{65}{13}-\frac{35}{13}}{\frac{6}{7}}+\frac{2\times 13+2}{13}
Convert 5 to fraction \frac{65}{13}.
\frac{\frac{65-35}{13}}{\frac{6}{7}}+\frac{2\times 13+2}{13}
Since \frac{65}{13} and \frac{35}{13} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{30}{13}}{\frac{6}{7}}+\frac{2\times 13+2}{13}
Subtract 35 from 65 to get 30.
\frac{30}{13}\times \frac{7}{6}+\frac{2\times 13+2}{13}
Divide \frac{30}{13} by \frac{6}{7} by multiplying \frac{30}{13} by the reciprocal of \frac{6}{7}.
\frac{30\times 7}{13\times 6}+\frac{2\times 13+2}{13}
Multiply \frac{30}{13} times \frac{7}{6} by multiplying numerator times numerator and denominator times denominator.
\frac{210}{78}+\frac{2\times 13+2}{13}
Do the multiplications in the fraction \frac{30\times 7}{13\times 6}.
\frac{35}{13}+\frac{2\times 13+2}{13}
Reduce the fraction \frac{210}{78} to lowest terms by extracting and canceling out 6.
\frac{35}{13}+\frac{26+2}{13}
Multiply 2 and 13 to get 26.
\frac{35}{13}+\frac{28}{13}
Add 26 and 2 to get 28.
\frac{35+28}{13}
Since \frac{35}{13} and \frac{28}{13} have the same denominator, add them by adding their numerators.
\frac{63}{13}
Add 35 and 28 to get 63.
Examples
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{ 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}