Evaluate
\frac{7}{8}=0.875
Factor
\frac{7}{2 ^ {3}} = 0.875
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\frac{-10}{16}-6\times \frac{1}{8}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Multiply -10 and \frac{1}{16} to get \frac{-10}{16}.
-\frac{5}{8}-6\times \frac{1}{8}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Reduce the fraction \frac{-10}{16} to lowest terms by extracting and canceling out 2.
-\frac{5}{8}+\frac{-6}{8}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Multiply -6 and \frac{1}{8} to get \frac{-6}{8}.
-\frac{5}{8}-\frac{3}{4}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Reduce the fraction \frac{-6}{8} to lowest terms by extracting and canceling out 2.
-\frac{5}{8}-\frac{6}{8}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Least common multiple of 8 and 4 is 8. Convert -\frac{5}{8} and \frac{3}{4} to fractions with denominator 8.
\frac{-5-6}{8}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Since -\frac{5}{8} and \frac{6}{8} have the same denominator, subtract them by subtracting their numerators.
-\frac{11}{8}-2\times \frac{1}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Subtract 6 from -5 to get -11.
-\frac{11}{8}+\frac{-2}{4}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Multiply -2 and \frac{1}{4} to get \frac{-2}{4}.
-\frac{11}{8}-\frac{1}{2}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Reduce the fraction \frac{-2}{4} to lowest terms by extracting and canceling out 2.
-\frac{11}{8}-\frac{4}{8}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Least common multiple of 8 and 2 is 8. Convert -\frac{11}{8} and \frac{1}{2} to fractions with denominator 8.
\frac{-11-4}{8}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Since -\frac{11}{8} and \frac{4}{8} have the same denominator, subtract them by subtracting their numerators.
-\frac{15}{8}+1\times \frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Subtract 4 from -11 to get -15.
-\frac{15}{8}+\frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Multiply 1 and \frac{1}{16} to get \frac{1}{16}.
-\frac{30}{16}+\frac{1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Least common multiple of 8 and 16 is 16. Convert -\frac{15}{8} and \frac{1}{16} to fractions with denominator 16.
\frac{-30+1}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Since -\frac{30}{16} and \frac{1}{16} have the same denominator, add them by adding their numerators.
-\frac{29}{16}+3\times \frac{1}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Add -30 and 1 to get -29.
-\frac{29}{16}+\frac{3}{4}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Multiply 3 and \frac{1}{4} to get \frac{3}{4}.
-\frac{29}{16}+\frac{12}{16}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Least common multiple of 16 and 4 is 16. Convert -\frac{29}{16} and \frac{3}{4} to fractions with denominator 16.
\frac{-29+12}{16}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Since -\frac{29}{16} and \frac{12}{16} have the same denominator, add them by adding their numerators.
-\frac{17}{16}+5\times \frac{1}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Add -29 and 12 to get -17.
-\frac{17}{16}+\frac{5}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Multiply 5 and \frac{1}{16} to get \frac{5}{16}.
\frac{-17+5}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Since -\frac{17}{16} and \frac{5}{16} have the same denominator, add them by adding their numerators.
\frac{-12}{16}+8\times \frac{1}{8}+10\times \frac{1}{16}
Add -17 and 5 to get -12.
-\frac{3}{4}+8\times \frac{1}{8}+10\times \frac{1}{16}
Reduce the fraction \frac{-12}{16} to lowest terms by extracting and canceling out 4.
-\frac{3}{4}+1+10\times \frac{1}{16}
Cancel out 8 and 8.
-\frac{3}{4}+\frac{4}{4}+10\times \frac{1}{16}
Convert 1 to fraction \frac{4}{4}.
\frac{-3+4}{4}+10\times \frac{1}{16}
Since -\frac{3}{4} and \frac{4}{4} have the same denominator, add them by adding their numerators.
\frac{1}{4}+10\times \frac{1}{16}
Add -3 and 4 to get 1.
\frac{1}{4}+\frac{10}{16}
Multiply 10 and \frac{1}{16} to get \frac{10}{16}.
\frac{1}{4}+\frac{5}{8}
Reduce the fraction \frac{10}{16} to lowest terms by extracting and canceling out 2.
\frac{2}{8}+\frac{5}{8}
Least common multiple of 4 and 8 is 8. Convert \frac{1}{4} and \frac{5}{8} to fractions with denominator 8.
\frac{2+5}{8}
Since \frac{2}{8} and \frac{5}{8} have the same denominator, add them by adding their numerators.
\frac{7}{8}
Add 2 and 5 to get 7.
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}