Evaluate
-\frac{13}{63}\approx -0.206349206
Factor
-\frac{13}{63} = -0.20634920634920634
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\frac{14}{63}-\frac{27}{63}
Least common multiple of 9 and 7 is 63. Convert \frac{2}{9} and \frac{3}{7} to fractions with denominator 63.
\frac{14-27}{63}
Since \frac{14}{63} and \frac{27}{63} have the same denominator, subtract them by subtracting their numerators.
-\frac{13}{63}
Subtract 27 from 14 to get -13.
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