Evaluate
\frac{43}{35}\approx 1.228571429
Factor
\frac{43}{5 \cdot 7} = 1\frac{8}{35} = 1.2285714285714286
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\frac{15}{35}+\frac{28}{35}
Least common multiple of 7 and 5 is 35. Convert \frac{3}{7} and \frac{4}{5} to fractions with denominator 35.
\frac{15+28}{35}
Since \frac{15}{35} and \frac{28}{35} have the same denominator, add them by adding their numerators.
\frac{43}{35}
Add 15 and 28 to get 43.
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.
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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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