Evaluate
64.25
Factor
\frac{257}{2 ^ {2}} = 64\frac{1}{4} = 64.25
Share
Copied to clipboard
145-88+\frac{14.5}{2}
Add 128 and 17 to get 145.
57+\frac{14.5}{2}
Subtract 88 from 145 to get 57.
57+\frac{145}{20}
Expand \frac{14.5}{2} by multiplying both numerator and the denominator by 10.
57+\frac{29}{4}
Reduce the fraction \frac{145}{20} to lowest terms by extracting and canceling out 5.
\frac{228}{4}+\frac{29}{4}
Convert 57 to fraction \frac{228}{4}.
\frac{228+29}{4}
Since \frac{228}{4} and \frac{29}{4} have the same denominator, add them by adding their numerators.
\frac{257}{4}
Add 228 and 29 to get 257.
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}