Evaluate
\frac{1315}{38}\approx 34.605263158
Factor
\frac{5 \cdot 263}{2 \cdot 19} = 34\frac{23}{38} = 34.60526315789474
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\frac{81\times 16}{38}+0.5
Express \frac{81}{38}\times 16 as a single fraction.
\frac{1296}{38}+0.5
Multiply 81 and 16 to get 1296.
\frac{648}{19}+0.5
Reduce the fraction \frac{1296}{38} to lowest terms by extracting and canceling out 2.
\frac{648}{19}+\frac{1}{2}
Convert decimal number 0.5 to fraction \frac{5}{10}. Reduce the fraction \frac{5}{10} to lowest terms by extracting and canceling out 5.
\frac{1296}{38}+\frac{19}{38}
Least common multiple of 19 and 2 is 38. Convert \frac{648}{19} and \frac{1}{2} to fractions with denominator 38.
\frac{1296+19}{38}
Since \frac{1296}{38} and \frac{19}{38} have the same denominator, add them by adding their numerators.
\frac{1315}{38}
Add 1296 and 19 to get 1315.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}