Sum of two fractions

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\(\frac{3}{7}+2\frac{1}{4}=?\)
\(2\frac{13}{28}\)
\(2\frac{11}{28}\)
\(2\frac{5}{28}\)
\(2\frac{15}{28}\)
\(2\frac{19}{28}\)

Calculator
Hint \(\frac{3}{7}+2\frac{1}{4}\)
\(=\frac{3}{7}+2+\frac{1}{4}\)
\(=\frac{3\times{4}}{7\times{4}}+2+\frac{1\times{7}}{4\times{7}}\)
\(=2+\frac{12}{28}+\frac{7}{28}\)
\(=2+\frac{12+7}{28}\)
\(=2+\frac{19}{28}\)
\(=2\frac{19}{28}\)
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