Evaluate
\frac{18}{13}\approx 1.384615385
Factor
\frac{2 \cdot 3 ^ {2}}{13} = 1\frac{5}{13} = 1.3846153846153846
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\frac{21\times 5}{13\times 8}+0.375
Multiply \frac{21}{13} times \frac{5}{8} by multiplying numerator times numerator and denominator times denominator.
\frac{105}{104}+0.375
Do the multiplications in the fraction \frac{21\times 5}{13\times 8}.
\frac{105}{104}+\frac{3}{8}
Convert decimal number 0.375 to fraction \frac{375}{1000}. Reduce the fraction \frac{375}{1000} to lowest terms by extracting and canceling out 125.
\frac{105}{104}+\frac{39}{104}
Least common multiple of 104 and 8 is 104. Convert \frac{105}{104} and \frac{3}{8} to fractions with denominator 104.
\frac{105+39}{104}
Since \frac{105}{104} and \frac{39}{104} have the same denominator, add them by adding their numerators.
\frac{144}{104}
Add 105 and 39 to get 144.
\frac{18}{13}
Reduce the fraction \frac{144}{104} to lowest terms by extracting and canceling out 8.
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