Evaluate
\frac{111}{77}\approx 1.441558442
Factor
\frac{3 \cdot 37}{7 \cdot 11} = 1\frac{34}{77} = 1.4415584415584415
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\frac{19}{11}-\frac{2}{7}
Reduce the fraction \frac{6}{21} to lowest terms by extracting and canceling out 3.
\frac{133}{77}-\frac{22}{77}
Least common multiple of 11 and 7 is 77. Convert \frac{19}{11} and \frac{2}{7} to fractions with denominator 77.
\frac{133-22}{77}
Since \frac{133}{77} and \frac{22}{77} have the same denominator, subtract them by subtracting their numerators.
\frac{111}{77}
Subtract 22 from 133 to get 111.
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}