\frac{ 25 }{ } + \frac{ 1 }{ 2 }
Evaluate
\frac{51}{2}=25.5
Factor
\frac{3 \cdot 17}{2} = 25\frac{1}{2} = 25.5
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25+\frac{1}{2}
Anything divided by one gives itself.
\frac{50}{2}+\frac{1}{2}
Convert 25 to fraction \frac{50}{2}.
\frac{50+1}{2}
Since \frac{50}{2} and \frac{1}{2} have the same denominator, add them by adding their numerators.
\frac{51}{2}
Add 50 and 1 to get 51.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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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}