Evaluate
-\frac{221}{30120}\approx -0.007337317
Factor
-\frac{221}{30120} = -0.007337317397078353
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\frac{30}{30120}-\frac{251}{30120}
Least common multiple of 1004 and 120 is 30120. Convert \frac{1}{1004} and \frac{1}{120} to fractions with denominator 30120.
\frac{30-251}{30120}
Since \frac{30}{30120} and \frac{251}{30120} have the same denominator, subtract them by subtracting their numerators.
-\frac{221}{30120}
Subtract 251 from 30 to get -221.
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