Evaluate
-\frac{7}{2}=-3.5
Factor
-\frac{7}{2} = -3\frac{1}{2} = -3.5
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\frac{3}{4}-\frac{12}{8}-\frac{22}{8}
Reduce the fraction \frac{6}{8} to lowest terms by extracting and canceling out 2.
\frac{3}{4}-\frac{3}{2}-\frac{22}{8}
Reduce the fraction \frac{12}{8} to lowest terms by extracting and canceling out 4.
\frac{3}{4}-\frac{6}{4}-\frac{22}{8}
Least common multiple of 4 and 2 is 4. Convert \frac{3}{4} and \frac{3}{2} to fractions with denominator 4.
\frac{3-6}{4}-\frac{22}{8}
Since \frac{3}{4} and \frac{6}{4} have the same denominator, subtract them by subtracting their numerators.
-\frac{3}{4}-\frac{22}{8}
Subtract 6 from 3 to get -3.
-\frac{3}{4}-\frac{11}{4}
Reduce the fraction \frac{22}{8} to lowest terms by extracting and canceling out 2.
\frac{-3-11}{4}
Since -\frac{3}{4} and \frac{11}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{-14}{4}
Subtract 11 from -3 to get -14.
-\frac{7}{2}
Reduce the fraction \frac{-14}{4} 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}