Evaluate
\frac{39}{4}=9.75
Factor
\frac{3 \cdot 13}{2 ^ {2}} = 9\frac{3}{4} = 9.75
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-\frac{33}{4}+\frac{4}{4}+16+1
Convert 1 to fraction \frac{4}{4}.
\frac{-33+4}{4}+16+1
Since -\frac{33}{4} and \frac{4}{4} have the same denominator, add them by adding their numerators.
-\frac{29}{4}+16+1
Add -33 and 4 to get -29.
-\frac{29}{4}+\frac{64}{4}+1
Convert 16 to fraction \frac{64}{4}.
\frac{-29+64}{4}+1
Since -\frac{29}{4} and \frac{64}{4} have the same denominator, add them by adding their numerators.
\frac{35}{4}+1
Add -29 and 64 to get 35.
\frac{35}{4}+\frac{4}{4}
Convert 1 to fraction \frac{4}{4}.
\frac{35+4}{4}
Since \frac{35}{4} and \frac{4}{4} have the same denominator, add them by adding their numerators.
\frac{39}{4}
Add 35 and 4 to get 39.
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}