Evaluate
\frac{49}{40}=1.225
Factor
\frac{7 ^ {2}}{2 ^ {3} \cdot 5} = 1\frac{9}{40} = 1.225
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\frac{40}{40}+\frac{9}{40}
Convert 1 to fraction \frac{40}{40}.
\frac{40+9}{40}
Since \frac{40}{40} and \frac{9}{40} have the same denominator, add them by adding their numerators.
\frac{49}{40}
Add 40 and 9 to get 49.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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