Evaluate
-\frac{17}{686}\approx -0.024781341
Factor
-\frac{17}{686} = -0.02478134110787172
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-\frac{77}{686}+\frac{60}{686}
Least common multiple of 98 and 343 is 686. Convert -\frac{11}{98} and \frac{30}{343} to fractions with denominator 686.
\frac{-77+60}{686}
Since -\frac{77}{686} and \frac{60}{686} have the same denominator, add them by adding their numerators.
-\frac{17}{686}
Add -77 and 60 to get -17.
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