Evaluate
-\frac{31}{24}\approx -1.291666667
Factor
-\frac{31}{24} = -1\frac{7}{24} = -1.2916666666666667
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\frac{9}{24}-\frac{40}{24}
Least common multiple of 8 and 3 is 24. Convert \frac{3}{8} and \frac{5}{3} to fractions with denominator 24.
\frac{9-40}{24}
Since \frac{9}{24} and \frac{40}{24} have the same denominator, subtract them by subtracting their numerators.
-\frac{31}{24}
Subtract 40 from 9 to get -31.
Examples
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y = 3x + 4
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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
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