Evaluate
-\frac{21}{520}\approx -0.040384615
Factor
-\frac{21}{520} = -0.04038461538461539
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\frac{-105}{65\left(36+4\right)}
Subtract 421 from 316 to get -105.
\frac{-105}{65\times 40}
Add 36 and 4 to get 40.
\frac{-105}{2600}
Multiply 65 and 40 to get 2600.
-\frac{21}{520}
Reduce the fraction \frac{-105}{2600} to lowest terms by extracting and canceling out 5.
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