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\frac{8}{20}+\frac{15}{20}=\frac{23}{20}
Least common multiple of 5 and 4 is 20. Convert \frac{2}{5} and \frac{3}{4} to fractions with denominator 20.
\frac{8+15}{20}=\frac{23}{20}
Since \frac{8}{20} and \frac{15}{20} have the same denominator, add them by adding their numerators.
\frac{23}{20}=\frac{23}{20}
Add 8 and 15 to get 23.
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Compare \frac{23}{20} and \frac{23}{20}.
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