Evaluate
\frac{49}{29}\approx 1.689655172
Factor
\frac{7 ^ {2}}{29} = 1\frac{20}{29} = 1.6896551724137931
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3-\frac{2\times 19}{29}
Express 2\times \frac{19}{29} as a single fraction.
3-\frac{38}{29}
Multiply 2 and 19 to get 38.
\frac{87}{29}-\frac{38}{29}
Convert 3 to fraction \frac{87}{29}.
\frac{87-38}{29}
Since \frac{87}{29} and \frac{38}{29} have the same denominator, subtract them by subtracting their numerators.
\frac{49}{29}
Subtract 38 from 87 to get 49.
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
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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}