Evaluate: 3/4+2/5+7/22

Expression: $\frac{3}{4}+\frac{2}{5}+\frac{7}{22}$

Apply the fraction rule $\frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}$

$=\frac{165+88+70}{220}$

Add the numbers: $ 165+88+70=323$

$=\frac{323}{220}$