Answer
$67 \frac{1}{4}$
Work Step by Step
$26 \frac{11}{20} + 40 \frac{7}{10} = \frac{531}{20} + \frac{407}{10} = \frac{531}{20} + \frac{407*2}{10*2} = \frac{531}{20} + \frac{814}{20} = \frac{531+814}{20} = \frac{1345}{20} = 67 + \frac{5}{20} = 67 \frac{1}{4}$