Evaluate
\frac{13}{10}=1.3
Factor
\frac{13}{2 \cdot 5} = 1\frac{3}{10} = 1.3
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\frac{1}{2}+\frac{\frac{3+1}{3}\times \frac{1}{10}}{\frac{1}{6}}
Multiply 1 and 3 to get 3.
\frac{1}{2}+\frac{\frac{4}{3}\times \frac{1}{10}}{\frac{1}{6}}
Add 3 and 1 to get 4.
\frac{1}{2}+\frac{\frac{4\times 1}{3\times 10}}{\frac{1}{6}}
Multiply \frac{4}{3} times \frac{1}{10} by multiplying numerator times numerator and denominator times denominator.
\frac{1}{2}+\frac{\frac{4}{30}}{\frac{1}{6}}
Do the multiplications in the fraction \frac{4\times 1}{3\times 10}.
\frac{1}{2}+\frac{\frac{2}{15}}{\frac{1}{6}}
Reduce the fraction \frac{4}{30} to lowest terms by extracting and canceling out 2.
\frac{1}{2}+\frac{2}{15}\times 6
Divide \frac{2}{15} by \frac{1}{6} by multiplying \frac{2}{15} by the reciprocal of \frac{1}{6}.
\frac{1}{2}+\frac{2\times 6}{15}
Express \frac{2}{15}\times 6 as a single fraction.
\frac{1}{2}+\frac{12}{15}
Multiply 2 and 6 to get 12.
\frac{1}{2}+\frac{4}{5}
Reduce the fraction \frac{12}{15} to lowest terms by extracting and canceling out 3.
\frac{5}{10}+\frac{8}{10}
Least common multiple of 2 and 5 is 10. Convert \frac{1}{2} and \frac{4}{5} to fractions with denominator 10.
\frac{5+8}{10}
Since \frac{5}{10} and \frac{8}{10} have the same denominator, add them by adding their numerators.
\frac{13}{10}
Add 5 and 8 to get 13.
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}