Evaluate
\frac{3}{8}=0.375
Factor
\frac{3}{2 ^ {3}} = 0.375
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\frac{1}{2}+\frac{7}{12}-\frac{5}{8}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Reduce the fraction \frac{8}{16} to lowest terms by extracting and canceling out 8.
\frac{6}{12}+\frac{7}{12}-\frac{5}{8}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Least common multiple of 2 and 12 is 12. Convert \frac{1}{2} and \frac{7}{12} to fractions with denominator 12.
\frac{6+7}{12}-\frac{5}{8}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Since \frac{6}{12} and \frac{7}{12} have the same denominator, add them by adding their numerators.
\frac{13}{12}-\frac{5}{8}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Add 6 and 7 to get 13.
\frac{26}{24}-\frac{15}{24}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Least common multiple of 12 and 8 is 24. Convert \frac{13}{12} and \frac{5}{8} to fractions with denominator 24.
\frac{26-15}{24}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Since \frac{26}{24} and \frac{15}{24} have the same denominator, subtract them by subtracting their numerators.
\frac{11}{24}+\frac{1}{2}-\frac{5}{6}+\frac{1}{4}
Subtract 15 from 26 to get 11.
\frac{11}{24}+\frac{12}{24}-\frac{5}{6}+\frac{1}{4}
Least common multiple of 24 and 2 is 24. Convert \frac{11}{24} and \frac{1}{2} to fractions with denominator 24.
\frac{11+12}{24}-\frac{5}{6}+\frac{1}{4}
Since \frac{11}{24} and \frac{12}{24} have the same denominator, add them by adding their numerators.
\frac{23}{24}-\frac{5}{6}+\frac{1}{4}
Add 11 and 12 to get 23.
\frac{23}{24}-\frac{20}{24}+\frac{1}{4}
Least common multiple of 24 and 6 is 24. Convert \frac{23}{24} and \frac{5}{6} to fractions with denominator 24.
\frac{23-20}{24}+\frac{1}{4}
Since \frac{23}{24} and \frac{20}{24} have the same denominator, subtract them by subtracting their numerators.
\frac{3}{24}+\frac{1}{4}
Subtract 20 from 23 to get 3.
\frac{1}{8}+\frac{1}{4}
Reduce the fraction \frac{3}{24} to lowest terms by extracting and canceling out 3.
\frac{1}{8}+\frac{2}{8}
Least common multiple of 8 and 4 is 8. Convert \frac{1}{8} and \frac{1}{4} to fractions with denominator 8.
\frac{1+2}{8}
Since \frac{1}{8} and \frac{2}{8} have the same denominator, add them by adding their numerators.
\frac{3}{8}
Add 1 and 2 to get 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}