Evaluate
\frac{13}{56}\approx 0.232142857
Factor
\frac{13}{2 ^ {3} \cdot 7} = 0.23214285714285715
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\frac{8}{56}+\frac{5}{56}
Least common multiple of 7 and 56 is 56. Convert \frac{1}{7} and \frac{5}{56} to fractions with denominator 56.
\frac{8+5}{56}
Since \frac{8}{56} and \frac{5}{56} have the same denominator, add them by adding their numerators.
\frac{13}{56}
Add 8 and 5 to get 13.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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
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