#### Answer

$0.23$ or $\frac{23}{100}$

#### Work Step by Step

Press the following keystrokes on your calculator:
$(, 3, \div, 20, ), +, (, 2, \div, 25, ), =$
Pressing those buttons in the following sequence will solve the following equation:
$\frac{3}{20}+\frac{2}{25}=?$
Your answer should be $0.23$ or $\frac{23}{100}$