Evaluate
\frac{169}{120}\approx 1.408333333
Factor
\frac{13 ^ {2}}{2 ^ {3} \cdot 3 \cdot 5} = 1\frac{49}{120} = 1.4083333333333334
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\frac{64}{120}+\frac{105}{120}
Least common multiple of 15 and 8 is 120. Convert \frac{8}{15} and \frac{7}{8} to fractions with denominator 120.
\frac{64+105}{120}
Since \frac{64}{120} and \frac{105}{120} have the same denominator, add them by adding their numerators.
\frac{169}{120}
Add 64 and 105 to get 169.
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