Evaluate
-\frac{29}{40}=-0.725
Factor
-\frac{29}{40} = -0.725
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\frac{35}{40}-\frac{64}{40}
Least common multiple of 8 and 5 is 40. Convert \frac{7}{8} and \frac{8}{5} to fractions with denominator 40.
\frac{35-64}{40}
Since \frac{35}{40} and \frac{64}{40} have the same denominator, subtract them by subtracting their numerators.
-\frac{29}{40}
Subtract 64 from 35 to get -29.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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