Answer
$1.319444444$... or $1\frac{23}{72}$
Work Step by Step
Press the following keystrokes on your calculator:
$(, 4, \div, 9, ), +, (, 7, \div, 8, ), =$
Pressing those buttons in the following sequence will solve the following equation:
$\frac{4}{9}+\frac{7}{8}=?$
Your answer should be $1.319444444$... or $1\frac{23}{72}$
