Evaluate
\frac{255}{16}=15.9375
Factor
\frac{3 \cdot 5 \cdot 17}{2 ^ {4}} = 15\frac{15}{16} = 15.9375
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\frac{1}{16}+\frac{2}{16}+\frac{1}{4}+\frac{1}{2}+1+2+4+8
Least common multiple of 16 and 8 is 16. Convert \frac{1}{16} and \frac{1}{8} to fractions with denominator 16.
\frac{1+2}{16}+\frac{1}{4}+\frac{1}{2}+1+2+4+8
Since \frac{1}{16} and \frac{2}{16} have the same denominator, add them by adding their numerators.
\frac{3}{16}+\frac{1}{4}+\frac{1}{2}+1+2+4+8
Add 1 and 2 to get 3.
\frac{3}{16}+\frac{4}{16}+\frac{1}{2}+1+2+4+8
Least common multiple of 16 and 4 is 16. Convert \frac{3}{16} and \frac{1}{4} to fractions with denominator 16.
\frac{3+4}{16}+\frac{1}{2}+1+2+4+8
Since \frac{3}{16} and \frac{4}{16} have the same denominator, add them by adding their numerators.
\frac{7}{16}+\frac{1}{2}+1+2+4+8
Add 3 and 4 to get 7.
\frac{7}{16}+\frac{8}{16}+1+2+4+8
Least common multiple of 16 and 2 is 16. Convert \frac{7}{16} and \frac{1}{2} to fractions with denominator 16.
\frac{7+8}{16}+1+2+4+8
Since \frac{7}{16} and \frac{8}{16} have the same denominator, add them by adding their numerators.
\frac{15}{16}+1+2+4+8
Add 7 and 8 to get 15.
\frac{15}{16}+\frac{16}{16}+2+4+8
Convert 1 to fraction \frac{16}{16}.
\frac{15+16}{16}+2+4+8
Since \frac{15}{16} and \frac{16}{16} have the same denominator, add them by adding their numerators.
\frac{31}{16}+2+4+8
Add 15 and 16 to get 31.
\frac{31}{16}+\frac{32}{16}+4+8
Convert 2 to fraction \frac{32}{16}.
\frac{31+32}{16}+4+8
Since \frac{31}{16} and \frac{32}{16} have the same denominator, add them by adding their numerators.
\frac{63}{16}+4+8
Add 31 and 32 to get 63.
\frac{63}{16}+\frac{64}{16}+8
Convert 4 to fraction \frac{64}{16}.
\frac{63+64}{16}+8
Since \frac{63}{16} and \frac{64}{16} have the same denominator, add them by adding their numerators.
\frac{127}{16}+8
Add 63 and 64 to get 127.
\frac{127}{16}+\frac{128}{16}
Convert 8 to fraction \frac{128}{16}.
\frac{127+128}{16}
Since \frac{127}{16} and \frac{128}{16} have the same denominator, add them by adding their numerators.
\frac{255}{16}
Add 127 and 128 to get 255.
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}