Evaluate
\frac{1}{56}\approx 0.017857143
Factor
\frac{1}{2 ^ {3} \cdot 7} = 0.017857142857142856
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-\frac{7}{56}+\frac{8}{56}
Least common multiple of 8 and 7 is 56. Convert -\frac{1}{8} and \frac{1}{7} to fractions with denominator 56.
\frac{-7+8}{56}
Since -\frac{7}{56} and \frac{8}{56} have the same denominator, add them by adding their numerators.
\frac{1}{56}
Add -7 and 8 to get 1.
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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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