Evaluate
\frac{25}{2}=12.5
Factor
\frac{5 ^ {2}}{2} = 12\frac{1}{2} = 12.5
Quiz
Arithmetic
5 problems similar to:
4 : \frac { 1 } { 2 } \cdot \frac { 5 } { 3 } - \frac { 5 } { 6 } =
Share
Copied to clipboard
4\times 2\times \frac{5}{3}-\frac{5}{6}
Divide 4 by \frac{1}{2} by multiplying 4 by the reciprocal of \frac{1}{2}.
8\times \frac{5}{3}-\frac{5}{6}
Multiply 4 and 2 to get 8.
\frac{8\times 5}{3}-\frac{5}{6}
Express 8\times \frac{5}{3} as a single fraction.
\frac{40}{3}-\frac{5}{6}
Multiply 8 and 5 to get 40.
\frac{80}{6}-\frac{5}{6}
Least common multiple of 3 and 6 is 6. Convert \frac{40}{3} and \frac{5}{6} to fractions with denominator 6.
\frac{80-5}{6}
Since \frac{80}{6} and \frac{5}{6} have the same denominator, subtract them by subtracting their numerators.
\frac{75}{6}
Subtract 5 from 80 to get 75.
\frac{25}{2}
Reduce the fraction \frac{75}{6} to lowest terms by extracting and canceling out 3.
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}