Evaluate
\frac{55}{28}\approx 1.964285714
Factor
\frac{5 \cdot 11}{2 ^ {2} \cdot 7} = 1\frac{27}{28} = 1.9642857142857142
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\frac{48}{28}+\frac{7}{28}
Least common multiple of 7 and 4 is 28. Convert \frac{12}{7} and \frac{1}{4} to fractions with denominator 28.
\frac{48+7}{28}
Since \frac{48}{28} and \frac{7}{28} have the same denominator, add them by adding their numerators.
\frac{55}{28}
Add 48 and 7 to get 55.
Examples
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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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