Evaluate
\frac{17}{39}\approx 0.435897436
Factor
\frac{17}{3 \cdot 13} = 0.4358974358974359
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\frac{27}{39}-\frac{10}{39}
Least common multiple of 13 and 39 is 39. Convert \frac{9}{13} and \frac{10}{39} to fractions with denominator 39.
\frac{27-10}{39}
Since \frac{27}{39} and \frac{10}{39} have the same denominator, subtract them by subtracting their numerators.
\frac{17}{39}
Subtract 10 from 27 to get 17.
Examples
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y = 3x + 4
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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
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Limits
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