Evaluate
\frac{105}{82}\approx 1.280487805
Factor
\frac{3 \cdot 5 \cdot 7}{2 \cdot 41} = 1\frac{23}{82} = 1.2804878048780488
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15\times \frac{4+3}{82}
Multiply 3 and 5 to get 15.
15\times \frac{7}{82}
Add 4 and 3 to get 7.
\frac{15\times 7}{82}
Express 15\times \frac{7}{82} as a single fraction.
\frac{105}{82}
Multiply 15 and 7 to get 105.
Examples
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y = 3x + 4
Arithmetic
699 * 533
Matrix
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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}