Evaluate
\frac{29}{28}\approx 1.035714286
Factor
\frac{29}{2 ^ {2} \cdot 7} = 1\frac{1}{28} = 1.0357142857142858
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\frac{8}{28}+\frac{21}{28}
Least common multiple of 7 and 4 is 28. Convert \frac{2}{7} and \frac{3}{4} to fractions with denominator 28.
\frac{8+21}{28}
Since \frac{8}{28} and \frac{21}{28} have the same denominator, add them by adding their numerators.
\frac{29}{28}
Add 8 and 21 to get 29.
Examples
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y = 3x + 4
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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
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