Evaluate
\frac{23}{8}=2.875
Factor
\frac{23}{2 ^ {3}} = 2\frac{7}{8} = 2.875
Share
Copied to clipboard
9-\frac{32+7}{16}-\frac{3\times 16+11}{16}
Multiply 2 and 16 to get 32.
9-\frac{39}{16}-\frac{3\times 16+11}{16}
Add 32 and 7 to get 39.
\frac{144}{16}-\frac{39}{16}-\frac{3\times 16+11}{16}
Convert 9 to fraction \frac{144}{16}.
\frac{144-39}{16}-\frac{3\times 16+11}{16}
Since \frac{144}{16} and \frac{39}{16} have the same denominator, subtract them by subtracting their numerators.
\frac{105}{16}-\frac{3\times 16+11}{16}
Subtract 39 from 144 to get 105.
\frac{105}{16}-\frac{48+11}{16}
Multiply 3 and 16 to get 48.
\frac{105}{16}-\frac{59}{16}
Add 48 and 11 to get 59.
\frac{105-59}{16}
Since \frac{105}{16} and \frac{59}{16} have the same denominator, subtract them by subtracting their numerators.
\frac{46}{16}
Subtract 59 from 105 to get 46.
\frac{23}{8}
Reduce the fraction \frac{46}{16} to lowest terms by extracting and canceling out 2.
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}