Evaluate
\frac{55}{14}\approx 3.928571429
Factor
\frac{5 \cdot 11}{2 \cdot 7} = 3\frac{13}{14} = 3.9285714285714284
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\frac{35}{14}+\frac{20}{14}
Least common multiple of 2 and 7 is 14. Convert \frac{5}{2} and \frac{10}{7} to fractions with denominator 14.
\frac{35+20}{14}
Since \frac{35}{14} and \frac{20}{14} have the same denominator, add them by adding their numerators.
\frac{55}{14}
Add 35 and 20 to get 55.
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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