Question

3/36+7/9, 2/5+3/20,1/6+5/12

Answer 1

$frac{3}{36} + frac{7}{9} = frac{3+28}{36} = frac{31}{36} \ \ frac{2}{5} + frac{3}{20} = frac{8+3}{20} = frac{11}{20} \ \ frac{1}{6} + frac{5}{12} = frac{2+5}{12} = frac{7}{12}$