Evaluate
\frac{253}{80}=3.1625
Factor
\frac{11 \cdot 23}{2 ^ {4} \cdot 5} = 3\frac{13}{80} = 3.1625
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\frac{25}{80}+\frac{64}{80}+\frac{5}{24}+\frac{3}{4}+\frac{5}{8}+\frac{7}{15}
Least common multiple of 16 and 5 is 80. Convert \frac{5}{16} and \frac{4}{5} to fractions with denominator 80.
\frac{25+64}{80}+\frac{5}{24}+\frac{3}{4}+\frac{5}{8}+\frac{7}{15}
Since \frac{25}{80} and \frac{64}{80} have the same denominator, add them by adding their numerators.
\frac{89}{80}+\frac{5}{24}+\frac{3}{4}+\frac{5}{8}+\frac{7}{15}
Add 25 and 64 to get 89.
\frac{267}{240}+\frac{50}{240}+\frac{3}{4}+\frac{5}{8}+\frac{7}{15}
Least common multiple of 80 and 24 is 240. Convert \frac{89}{80} and \frac{5}{24} to fractions with denominator 240.
\frac{267+50}{240}+\frac{3}{4}+\frac{5}{8}+\frac{7}{15}
Since \frac{267}{240} and \frac{50}{240} have the same denominator, add them by adding their numerators.
\frac{317}{240}+\frac{3}{4}+\frac{5}{8}+\frac{7}{15}
Add 267 and 50 to get 317.
\frac{317}{240}+\frac{180}{240}+\frac{5}{8}+\frac{7}{15}
Least common multiple of 240 and 4 is 240. Convert \frac{317}{240} and \frac{3}{4} to fractions with denominator 240.
\frac{317+180}{240}+\frac{5}{8}+\frac{7}{15}
Since \frac{317}{240} and \frac{180}{240} have the same denominator, add them by adding their numerators.
\frac{497}{240}+\frac{5}{8}+\frac{7}{15}
Add 317 and 180 to get 497.
\frac{497}{240}+\frac{150}{240}+\frac{7}{15}
Least common multiple of 240 and 8 is 240. Convert \frac{497}{240} and \frac{5}{8} to fractions with denominator 240.
\frac{497+150}{240}+\frac{7}{15}
Since \frac{497}{240} and \frac{150}{240} have the same denominator, add them by adding their numerators.
\frac{647}{240}+\frac{7}{15}
Add 497 and 150 to get 647.
\frac{647}{240}+\frac{112}{240}
Least common multiple of 240 and 15 is 240. Convert \frac{647}{240} and \frac{7}{15} to fractions with denominator 240.
\frac{647+112}{240}
Since \frac{647}{240} and \frac{112}{240} have the same denominator, add them by adding their numerators.
\frac{759}{240}
Add 647 and 112 to get 759.
\frac{253}{80}
Reduce the fraction \frac{759}{240} to lowest terms by extracting and canceling out 3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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}