15 \% ++40
Evaluate
\frac{803}{20}=40.15
Factor
\frac{11 \cdot 73}{2 ^ {2} \cdot 5} = 40\frac{3}{20} = 40.15
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\frac{3}{20}+40
Reduce the fraction \frac{15}{100} to lowest terms by extracting and canceling out 5.
\frac{3}{20}+\frac{800}{20}
Convert 40 to fraction \frac{800}{20}.
\frac{3+800}{20}
Since \frac{3}{20} and \frac{800}{20} have the same denominator, add them by adding their numerators.
\frac{803}{20}
Add 3 and 800 to get 803.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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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