Evaluate
-\frac{49}{40}=-1.225
Factor
-\frac{49}{40} = -1\frac{9}{40} = -1.225
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\frac{26}{40}-\frac{75}{40}
Least common multiple of 20 and 8 is 40. Convert \frac{13}{20} and \frac{15}{8} to fractions with denominator 40.
\frac{26-75}{40}
Since \frac{26}{40} and \frac{75}{40} have the same denominator, subtract them by subtracting their numerators.
-\frac{49}{40}
Subtract 75 from 26 to get -49.
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